

This Grade 3 worksheet on Synonyms Used to Improve Sentences helps young learners expand their vocabulary and make their writing more expressive. By learning how to replace simple words with better synonyms, students strengthen sentence quality, clarity, and creativity.
Synonyms are words with similar meanings. For Grade 3 learners, understanding synonyms is important because:
1. It improves vocabulary and word choice.
2. It reduces repetition in writing.
3. It makes sentences more interesting and descriptive.
4. It builds confidence in reading comprehension and creative writing.
Exercise 1 – Match the Following
Students match words like happy, fast, big, small, and angry with their correct synonyms such as glad, rapid, large, little, and mad.
Exercise 2 – Sort the Words
Learners sort word pairs into Synonyms and Not Synonyms to develop a clear understanding of similar and opposite meanings.
Exercise 3 – Fill in the Blanks
Students choose stronger or more suitable synonyms to complete sentences meaningfully (e.g., delighted instead of happy, enormous instead of big).
Exercise 4 – Multiple Choice Questions
Children replace underlined words in sentences with better synonyms to improve sentence quality.
Exercise 5 – Sentence Rewriting
Students rewrite simple sentences using more powerful synonyms to enhance clarity and expression.
This worksheet helps students become more thoughtful writers by encouraging richer vocabulary and precise word selection.
Exercise 1 – Match the Synonyms
happy – glad
fast – rapid
big – large
small – little
pretty – beautiful
angry – mad
quiet – silent
strong – mighty
bright – shiny
tiny – mini
Exercise 2 – Sort the Word Pairs
Synonyms:
slow/rapid (Not synonyms)
neat/tidy
sad/unhappy
brave/bold
cold/chilly
smart/clever
begin/start
hard/difficult
jump/leap
Not Synonyms:
hot/freezing
laugh/cry
high/low
early/late
soft/hard
near/far
Exercise 3 – Choose the Better Synonym
1. delighted
2. enormous
3. rapid
4. tiny
5. upset
6. beautiful
7. quiet
8. sparkling
9. powerful
10. little
Exercise 4 – Replace with a Better Synonym
1. hilarious
2. gloomy
3. simple
4. bold
5. boiling
6. lovely
7. tidy
8. shrill
9. tall
10. weighty
Exercise 5 – Rewrite Using Better Synonyms
1. The large dog ran quickly.
2. The mad man spoke loudly.
3. The beautiful flower is bright.
4. The little boy was glad.
5. The powerful girl won the race.
6. The mini bird flew quickly.
7. The shiny sun is large.
8. The glad child is little.
9. The silent room was little.
10. The rapid car is large.
Encourage your child to move beyond simple words and write with confidence and variety today.
Synonyms give children alternative words with similar meanings, helping them avoid repetition and improve vocabulary in grammar worksheets.
Practicing synonyms strengthens vocabulary development and supports better creative writing skills in CBSE English.
Parents can ask children to replace simple words like big or happy with richer vocabulary while completing a Class 3 grammar worksheet.