

This Grade 5 English worksheet helps students understand how suffixes like -ful and -less change word meanings to form antonyms. Through engaging exercises, learners explore pairs like hopeful–hopeless and useful–useless, building a strong foundation in word formation.
Understanding suffix-based antonyms is important because:
1. It helps students recognize how word endings change meaning.
2. It builds vocabulary and improves word usage.
3. It strengthens spelling and grammar accuracy.
4. It supports better comprehension and sentence formation.
This worksheet includes five structured activities:
🧠 Exercise 1 – True or False
Students identify correct and incorrect antonym relationships using suffixes.
✏️ Exercise 2 – Match the Following
Students match words with their correct antonyms using -ful and -less.
📋 Exercise 3 – Fill in the Blanks
Students complete sentences using the correct antonym form.
📝 Exercise 4 – Multiple Choice Questions
Students select the correct antonym pair from given options.
✍️ Exercise 5 – Sentence Rewriting
Students rewrite sentences using antonym forms.
Exercise 1 – True/False
1. True
2. False
3. True
4. False
5. False
6. False
7. True
8. True
9. True
10. True
Exercise 2 – Match the Following
useful–useless, powerful–powerless, grateful–thankless, harmful–harmless, colorful–colorless, meaningful–meaningless, hopeful–hopeless, peaceful–peaceless, thankful–thankless, truthful–truthless
Exercise 3 – Fill in the Blanks
1. hopeless
2. useless
3. meaningless
4. peaceless
5. thankless
6. colorless
7. powerless
8. graceless
9. harmless
10. truthless
Exercise 4 – MCQs
1. joyful–joyless
2. careful–careless
3. useful–useless
4. hopeful–hopeless
5. powerful–powerless
6. thankful–thankless
7. meaningful–meaningless
8. harmful–harmless
9. colorful–colorless
10. truthful–truthless
Exercise 5 – Sentence Rewriting (Sample Answers)
1. She was a hopeless girl.
2. The tool is useless for work.
3. The story was meaningless.
4. The place looked peaceless.
5. He felt thankless.
6. The wall was colorless.
7. The man was powerless.
8. The dancer was graceless.
9. The medicine was harmless.
10. The statement was truthless.
Help your child master antonyms and word formation with structured suffix practice today.
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Adding ful or less forms opposite meanings like useful and useless.
It helps students understand word patterns and meanings quickly.
Through matching and sentence exercises for better understanding.