Content updated on 24 April 2026
What's another word for "happy"? What's the opposite of "brave"? Synonyms and antonyms are the building blocks of a rich vocabulary. This lesson, crafted for Class 4, 5, and 6 students, provides a massive collection of 200 carefully chosen words, each with its synonym, antonym, and an example sentence to show you exactly how to use them. The words are grouped into manageable sets of 50, all aligned with the CBSE and UP Board syllabus. Click each group to reveal the list, and soon you'll be using these words like a pro in your writing and speaking.
✅ Recommended for: Class 4–6 (Word Power Foundation) | CBSE & UP Board
(Click any topic to jump straight to that section)
Group 1: Words 1–50 (A–C)
๐ View Group 1 (50 words)
1. Abandon – Synonym: leave | Antonym: keep
Sentence: We should never abandon our pets.
2. Able – Synonym: capable | Antonym: unable
Sentence: She is able to solve the puzzle alone.
3. Above – Synonym: over | Antonym: below
Sentence: The plane flew above the clouds.
4. Absent – Synonym: missing | Antonym: present
Sentence: Rahul was absent from school yesterday.
5. Accept – Synonym: receive | Antonym: refuse
Sentence: Please accept this small gift.
6. Active – Synonym: energetic | Antonym: lazy
Sentence: My grandfather is still very active.
7. Add – Synonym: increase | Antonym: subtract
Sentence: Add two spoons of sugar to the tea.
8. Afraid – Synonym: scared | Antonym: brave
Sentence: The little girl was afraid of the dark.
9. After – Synonym: later | Antonym: before
Sentence: We will play after lunch.
10. Agree – Synonym: accept | Antonym: disagree
Sentence: I agree with your idea for the project.
11. Alive – Synonym: living | Antonym: dead
Sentence: The plant is still alive.
12. Always – Synonym: forever | Antonym: never
Sentence: She always completes her homework.
13. Ambitious – Synonym: determined | Antonym: lazy
Sentence: Riya is an ambitious girl with big dreams.
14. Ancient – Synonym: old | Antonym: modern
Sentence: We visited an ancient temple in Tamil Nadu.
15. Angry – Synonym: furious | Antonym: calm
Sentence: Mother was angry when I broke the vase.
16. Annoy – Synonym: irritate | Antonym: please
Sentence: Loud noises annoy my baby sister.
17. Answer – Synonym: reply | Antonym: question
Sentence: Please answer my question honestly.
18. Arrive – Synonym: reach | Antonym: leave
Sentence: The train will arrive at 5 PM.
19. Beautiful – Synonym: pretty | Antonym: ugly
Sentence: The garden looks beautiful in spring.
20. Begin – Synonym: start | Antonym: end
Sentence: The movie will begin in ten minutes.
21. Big – Synonym: large | Antonym: small
Sentence: A big dog ran across the street.
22. Brave – Synonym: courageous | Antonym: cowardly
Sentence: The firefighter was very brave.
23. Bright – Synonym: shiny | Antonym: dull
Sentence: The sun is very bright today.
24. Calm – Synonym: peaceful | Antonym: anxious
Sentence: The lake was calm and quiet.
25. Careful – Synonym: cautious | Antonym: careless
Sentence: Be careful while crossing the road.
26. Cheap – Synonym: inexpensive | Antonym: expensive
Sentence: I bought a cheap but good quality bag.
27. Clean – Synonym: neat | Antonym: dirty
Sentence: Keep your room clean.
28. Clever – Synonym: intelligent | Antonym: foolish
Sentence: The clever fox escaped the trap.
29. Close – Synonym: shut | Antonym: open
Sentence: Please close the door gently.
30. Cold – Synonym: chilly | Antonym: hot
Sentence: It is very cold in December.
31. Complete – Synonym: finish | Antonym: start
Sentence: I will complete my homework soon.
32. Confident – Synonym: sure | Antonym: unsure
Sentence: She felt confident before the exam.
33. Cool – Synonym: cold | Antonym: warm
Sentence: The breeze is cool and refreshing.
34. Correct – Synonym: right | Antonym: wrong
Sentence: Your answer is correct.
35. Courage – Synonym: bravery | Antonym: fear
Sentence: The soldier showed great courage.
36. Create – Synonym: make | Antonym: destroy
Sentence: Artists create beautiful paintings.
37. Cruel – Synonym: harsh | Antonym: kind
Sentence: It is cruel to hurt animals.
38. Cry – Synonym: weep | Antonym: laugh
Sentence: The baby began to cry loudly.
39. Curious – Synonym: inquisitive | Antonym: indifferent
Sentence: The curious kitten explored every corner.
40. Dangerous – Synonym: risky | Antonym: safe
Sentence: Swimming in the deep river is dangerous.
41. Dark – Synonym: dim | Antonym: light
Sentence: The room was dark and scary.
42. Dear – Synonym: precious | Antonym: worthless
Sentence: My grandmother is very dear to me.
43. Defeat – Synonym: beat | Antonym: victory
Sentence: Our team faced defeat in the final.
44. Delicious – Synonym: tasty | Antonym: tasteless
Sentence: The cake was absolutely delicious.
45. Difficult – Synonym: hard | Antonym: easy
Sentence: This math problem is very difficult.
46. Dirty – Synonym: filthy | Antonym: clean
Sentence: Wash your dirty hands before eating.
47. Dry – Synonym: arid | Antonym: wet
Sentence: The desert is very dry.
48. Early – Synonym: soon | Antonym: late
Sentence: I wake up early every morning.
49. Easy – Synonym: simple | Antonym: hard
Sentence: The test was very easy.
50. Empty – Synonym: vacant | Antonym: full
Sentence: The box was empty.
Group 2: Words 51–100 (D–I)
๐ View Group 2 (50 words)
51. Enjoy – Synonym: like | Antonym: dislike
Sentence: I enjoy reading storybooks.
52. Enter – Synonym: go in | Antonym: exit
Sentence: Please enter the classroom quietly.
53. Exciting – Synonym: thrilling | Antonym: boring
Sentence: The match was very exciting.
54. Fair – Synonym: just | Antonym: unfair
Sentence: The teacher was fair to all students.
55. Faithful – Synonym: loyal | Antonym: disloyal
Sentence: Dogs are faithful companions.
56. Famous – Synonym: well-known | Antonym: unknown
Sentence: The Taj Mahal is famous worldwide.
57. Fast – Synonym: quick | Antonym: slow
Sentence: The cheetah runs very fast.
58. Fat – Synonym: plump | Antonym: thin
Sentence: The fat cat slept all day.
59. Fierce – Synonym: ferocious | Antonym: gentle
Sentence: The lion gave a fierce roar.
60. Foolish – Synonym: silly | Antonym: wise
Sentence: It was foolish to go out in the storm.
61. Forgiveness – Synonym: pardon | Antonym: blame
Sentence: She asked for forgiveness.
62. Friend – Synonym: companion | Antonym: enemy
Sentence: Rohan is my best friend.
63. Frightened – Synonym: scared | Antonym: brave
Sentence: The loud noise frightened the baby.
64. Gentle – Synonym: soft | Antonym: rough
Sentence: The horse was very gentle.
65. Genuine – Synonym: real | Antonym: fake
Sentence: This is a genuine diamond.
66. Glad – Synonym: happy | Antonym: sad
Sentence: I am glad to see you.
67. Graceful – Synonym: elegant | Antonym: clumsy
Sentence: The dancer's movements were graceful.
68. Grief – Synonym: sorrow | Antonym: joy
Sentence: His death caused great grief.
69. Happy – Synonym: joyful | Antonym: sad
Sentence: I feel happy when I play outside.
70. Hardship – Synonym: difficulty | Antonym: comfort
Sentence: Farmers face many hardships.
71. Harsh – Synonym: severe | Antonym: mild
Sentence: The punishment was too harsh.
72. Hate – Synonym: dislike | Antonym: love
Sentence: I hate eating bitter gourd.
73. Health – Synonym: wellness | Antonym: illness
Sentence: Good health is very important.
74. Heavy – Synonym: weighty | Antonym: light
Sentence: The box was too heavy to lift.
75. Help – Synonym: assist | Antonym: hinder
Sentence: Can you help me carry this bag?
76. Honest – Synonym: truthful | Antonym: dishonest
Sentence: An honest person is always trusted.
77. Hope – Synonym: wish | Antonym: despair
Sentence: I hope you pass the exam.
78. Humble – Synonym: modest | Antonym: proud
Sentence: He remained humble despite his success.
79. Hurry – Synonym: rush | Antonym: delay
Sentence: We must hurry or we'll miss the bus.
80. Ignorant – Synonym: unaware | Antonym: knowledgeable
Sentence: He was ignorant of the rules.
81. Important – Synonym: significant | Antonym: trivial
Sentence: This is an important assignment.
82. Improve – Synonym: enhance | Antonym: worsen
Sentence: Practice will improve your skills.
83. Innocent – Synonym: guiltless | Antonym: guilty
Sentence: The innocent baby smiled.
84. Intelligent – Synonym: smart | Antonym: foolish
Sentence: She is an intelligent student.
85. Interesting – Synonym: absorbing | Antonym: dull
Sentence: The story was very interesting.
86. Irregular – Synonym: uneven | Antonym: regular
Sentence: His attendance at school is irregular.
87. Jealous – Synonym: envious | Antonym: contented
Sentence: Do not be jealous of others' success.
88. Journey – Synonym: travel | Antonym: stay
Sentence: We had a smooth journey.
89. Justice – Synonym: fairness | Antonym: injustice
Sentence: The judge delivered justice.
90. Keen – Synonym: eager | Antonym: indifferent
Sentence: She is keen to learn painting.
91. Kind – Synonym: generous | Antonym: cruel
Sentence: My neighbour is a kind lady.
92. Knowledge – Synonym: wisdom | Antonym: ignorance
Sentence: Books give us knowledge.
93. Lazy – Synonym: idle | Antonym: active
Sentence: The lazy boy didn't do his work.
94. Laugh – Synonym: chuckle | Antonym: cry
Sentence: The joke made me laugh.
95. Leader – Synonym: chief | Antonym: follower
Sentence: The captain is a good leader.
96. Love – Synonym: adore | Antonym: hate
Sentence: I love my family very much.
97. Loyal – Synonym: faithful | Antonym: disloyal
Sentence: A loyal friend is a treasure.
98. Mad – Synonym: insane | Antonym: sane
Sentence: The noise is driving me mad!
99. Neat – Synonym: tidy | Antonym: messy
Sentence: Her hair always looks neat.
100. New – Synonym: fresh | Antonym: old
Sentence: I bought a new pencil box.
Group 3: Words 101–150 (J–P)
๐ View Group 3 (50 words)
101. Obey – Synonym: follow | Antonym: disobey
Sentence: You should obey your parents.
102. Often – Synonym: frequently | Antonym: rarely
Sentence: I often visit my grandmother.
103. Open – Synonym: unlock | Antonym: close
Sentence: Please open the window.
104. Order – Synonym: command | Antonym: request
Sentence: The officer gave an order.
105. Ordinary – Synonym: common | Antonym: special
Sentence: It was an ordinary day.
106. Pain – Synonym: ache | Antonym: relief
Sentence: I have pain in my leg.
107. Patience – Synonym: tolerance | Antonym: impatience
Sentence: You need patience to learn.
108. Pause – Synonym: stop | Antonym: continue
Sentence: Let's pause for a while.
109. Peace – Synonym: quiet | Antonym: war
Sentence: We all want peace in the world.
110. Permanent – Synonym: lasting | Antonym: temporary
Sentence: This is a permanent solution.
111. Pleasure – Synonym: delight | Antonym: sorrow
Sentence: It is a pleasure to meet you.
112. Polite – Synonym: courteous | Antonym: rude
Sentence: You should always be polite.
113. Poor – Synonym: needy | Antonym: rich
Sentence: We should help the poor.
114. Possible – Synonym: likely | Antonym: impossible
Sentence: It is possible to finish on time.
115. Power – Synonym: strength | Antonym: weakness
Sentence: Knowledge is power.
116. Praise – Synonym: admire | Antonym: criticise
Sentence: The teacher gave me praise.
117. Precious – Synonym: valuable | Antonym: worthless
Sentence: Time is very precious.
118. Present – Synonym: gift | Antonym: absent
Sentence: She gave me a nice present.
119. Pretty – Synonym: beautiful | Antonym: ugly
Sentence: You look very pretty today.
120. Pride – Synonym: dignity | Antonym: shame
Sentence: She took pride in her work.
121. Private – Synonym: personal | Antonym: public
Sentence: This is my private diary.
122. Problem – Synonym: puzzle | Antonym: solution
Sentence: Can you solve this problem?
123. Protect – Synonym: guard | Antonym: harm
Sentence: We should protect the environment.
124. Punctual – Synonym: timely | Antonym: late
Sentence: Be punctual to school.
125. Quiet – Synonym: silent | Antonym: noisy
Sentence: The library is very quiet.
126. Raise – Synonym: lift | Antonym: lower
Sentence: Please raise your hand.
127. Rare – Synonym: uncommon | Antonym: common
Sentence: That bird is very rare.
128. Real – Synonym: actual | Antonym: false
Sentence: Is the story real?
129. Relax – Synonym: rest | Antonym: tense
Sentence: Relax after a long day.
130. Remember – Synonym: recall | Antonym: forget
Sentence: Remember to bring your book.
131. Repair – Synonym: fix | Antonym: break
Sentence: Can you repair my watch?
132. Respect – Synonym: honour | Antonym: disrespect
Sentence: Respect your teachers.
133. Responsible – Synonym: accountable | Antonym: irresponsible
Sentence: He is a responsible citizen.
134. Reward – Synonym: prize | Antonym: punishment
Sentence: Hard work brings reward.
135. Rich – Synonym: wealthy | Antonym: poor
Sentence: The soil is rich in minerals.
136. Right – Synonym: correct | Antonym: wrong
Sentence: That's the right answer.
137. Rough – Synonym: coarse | Antonym: smooth
Sentence: The road was very rough.
138. Sad – Synonym: unhappy | Antonym: happy
Sentence: Don't be sad; tomorrow will be better.
139. Safe – Synonym: secure | Antonym: dangerous
Sentence: Keep your wallet safe.
140. Satisfied – Synonym: content | Antonym: dissatisfied
Sentence: I am satisfied with my marks.
141. Scatter – Synonym: spread | Antonym: gather
Sentence: The wind scattered the leaves.
142. Search – Synonym: find | Antonym: hide
Sentence: I am searching for my keys.
143. Secret – Synonym: hidden | Antonym: open
Sentence: Can you keep a secret?
144. Shy – Synonym: timid | Antonym: bold
Sentence: She was too shy to speak.
145. Simple – Synonym: easy | Antonym: complex
Sentence: The recipe is very simple.
146. Sleepy – Synonym: drowsy | Antonym: awake
Sentence: I feel sleepy after lunch.
147. Soft – Synonym: tender | Antonym: hard
Sentence: The kitten's fur is soft.
148. Strong – Synonym: sturdy | Antonym: weak
Sentence: He is strong enough to lift it.
149. Sweet – Synonym: sugary | Antonym: bitter
Sentence: The mangoes are very sweet.
150. Thick – Synonym: dense | Antonym: thin
Sentence: The forest was thick with trees.
Group 4: Words 151–200 (Q–Z)
๐ View Group 4 (50 words)
151. Throw – Synonym: toss | Antonym: catch
Sentence: Throw me the ball!
152. Tidy – Synonym: neat | Antonym: messy
Sentence: Keep your desk tidy.
153. Tiny – Synonym: small | Antonym: huge
Sentence: A tiny ant crawled on the leaf.
154. Tired – Synonym: weary | Antonym: energetic
Sentence: I am tired after the walk.
155. Top – Synonym: peak | Antonym: bottom
Sentence: We reached the top of the hill.
156. Trust – Synonym: belief | Antonym: doubt
Sentence: I trust my best friend.
157. Truth – Synonym: fact | Antonym: lie
Sentence: Always speak the truth.
158. Ugly – Synonym: unattractive | Antonym: beautiful
Sentence: The old building looked ugly.
159. United – Synonym: together | Antonym: divided
Sentence: The team was united to win.
160. Useful – Synonym: helpful | Antonym: useless
Sentence: This tool is very useful.
161. Vanish – Synonym: disappear | Antonym: appear
Sentence: The magician made the coin vanish.
162. Victory – Synonym: win | Antonym: defeat
Sentence: Our team celebrated the victory.
163. Violent – Synonym: aggressive | Antonym: gentle
Sentence: The storm was violent.
164. Warm – Synonym: hot | Antonym: cool
Sentence: The milk is warm.
165. Waste – Synonym: misuse | Antonym: save
Sentence: Do not waste water.
166. Weak – Synonym: feeble | Antonym: strong
Sentence: After the illness, he felt weak.
167. Wealthy – Synonym: rich | Antonym: poor
Sentence: She comes from a wealthy family.
168. Wet – Synonym: damp | Antonym: dry
Sentence: The grass was wet with dew.
169. Wide – Synonym: broad | Antonym: narrow
Sentence: The road is wide enough for two cars.
170. Wild – Synonym: untamed | Antonym: tame
Sentence: We saw wild elephants in the forest.
171. Willing – Synonym: ready | Antonym: unwilling
Sentence: Are you willing to help?
172. Win – Synonym: succeed | Antonym: lose
Sentence: I hope we win the match.
173. Wise – Synonym: prudent | Antonym: foolish
Sentence: It was a wise decision to study.
174. Wonderful – Synonym: marvellous | Antonym: terrible
Sentence: We had a wonderful time.
175. Worry – Synonym: concern | Antonym: calm
Sentence: Don't worry about the test.
176. Yell – Synonym: shout | Antonym: whisper
Sentence: Don't yell in the corridor.
177. Young – Synonym: youthful | Antonym: old
Sentence: The young boy is very talented.
178. Zeal – Synonym: enthusiasm | Antonym: apathy
Sentence: She works with great zeal.
179. Abundance – Synonym: plenty | Antonym: scarcity
Sentence: There is an abundance of fruits this season.
180. Bitter – Synonym: sour | Antonym: sweet
Sentence: The medicine tasted bitter.
181. Brief – Synonym: short | Antonym: long
Sentence: Give a brief explanation.
182. Certain – Synonym: sure | Antonym: unsure
Sentence: I am certain I locked the door.
183. Combine – Synonym: mix | Antonym: separate
Sentence: Combine the flour and milk.
184. Courageous – Synonym: brave | Antonym: cowardly
Sentence: The courageous boy saved the puppy.
185. Demand – Synonym: require | Antonym: supply
Sentence: The teacher demanded silence.
186. Dull – Synonym: boring | Antonym: bright
Sentence: The lecture was very dull.
187. Entire – Synonym: whole | Antonym: partial
Sentence: I ate the entire cake!
188. Fatal – Synonym: deadly | Antonym: harmless
Sentence: The accident proved fatal.
189. Generous – Synonym: kind | Antonym: selfish
Sentence: She is generous with her time.
190. Hinder – Synonym: obstruct | Antonym: help
Sentence: Bad weather hindered our journey.
191. Intense – Synonym: extreme | Antonym: mild
Sentence: The heat in May is intense.
192. Jolly – Synonym: cheerful | Antonym: gloomy
Sentence: Santa is a jolly old man.
193. Keen – Synonym: sharp | Antonym: blunt
Sentence: The knife has a keen edge.
194. Lament – Synonym: mourn | Antonym: rejoice
Sentence: They lamented the loss of the old tree.
195. Mighty – Synonym: strong | Antonym: weak
Sentence: The elephant is a mighty animal.
196. Noble – Synonym: honourable | Antonym: mean
Sentence: It was a noble act of kindness.
197. Peculiar – Synonym: strange | Antonym: common
Sentence: That's a peculiar sound.
198. Quarrel – Synonym: fight | Antonym: agree
Sentence: The siblings often quarrel over toys.
199. Resolve – Synonym: decide | Antonym: hesitate
Sentence: I resolve to study harder.
200. Tremble – Synonym: shake | Antonym: steady
Sentence: The kitten began to tremble in the cold.
How to Use Synonyms and Antonyms to Power Up Your Writing
Now that you have 200 words with their synonyms and antonyms, the real magic happens when you start using them. Replace "nice" with "pleasant" or "enjoyable". Swap "bad" for "terrible" or "awful". Each change makes your sentences stronger and more interesting. Read your schoolbooks and underline words you don't know; then find their synonyms and antonyms. Keep a small vocabulary notebook and add five new words every day. Over weeks and months, your word power will grow enormously — and so will your confidence in speaking and writing.
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- Worksheets Master Hub — Every worksheet you need.
๐ Synonyms & Antonyms Worksheet – Class 4, 5 & 6
This worksheet includes exercises on matching synonyms and antonyms, fill‑in‑the‑blanks, and sentence writing using the words from this post. It reinforces the 200 words you've just learned. Includes 50 questions.
Synonyms & Antonyms Worksheet »Answer key included • Aligned with CBSE & UP Board curriculum
