10 Antonyms with Examples and Sentences:
1. Happy - Sad
* Happy: The children were happy playing in the park.
* Sad: She felt sad after losing her pet.
2. Strong - Weak
* Strong: The oak tree is strong and sturdy.
* Weak: The old man was weak and needed a cane to walk.
3. Hot - Cold
* Hot: The soup was hot and steaming.
* Cold: The ice cream was cold and refreshing.
4. Light - Dark
* Light: The room was filled with light from the sun.
* Dark: The forest was dark and mysterious.
5. Clean - Dirty
* Clean: The house was clean and tidy.
* Dirty: The dishes were dirty and needed washing.
6. Open - Closed
* Open: The door was open and I could see inside.
* Closed: The store was closed for the day.
7. Fast - Slow
* Fast: The cheetah ran fast across the savanna.
* Slow: The snail moved slow across the leaf.
8. Big - Small
* Big: The elephant is a big animal.
* Small: The ant is a small insect.
9. New - Old
* New: I bought a new car last week.
* Old: The antique table was very old.
10. Good - Bad
* Good: She received a good grade on her test.
* Bad: The weather was bad for our picnic.