A synonym is a word that means something similar to another word. An antonym is a word that means the opposite of another word. Underline the ANTONYMS and check your answers with the key. You may use a standard dictionary.
1. Irreplaceable (adj.): replaceable / indispensable
2. Irresponsible (adj.): resilient / depressed
3. Irreproachable (adj.): blameworthy / blameless
4. Irresistible (adj.): charming / resistible
5. Irresponsible (adj.): cautious / careless
6. Irreverent (adj.): flippant / reverent
7. Irreversible (adj.): reversible / final
8. Irrevocable (adj.): fixed / reversible
9. Irritable (adj.): cheerful / fretful
10. Irritate (v.): annoy / gratify
11. Irritation (n.): delight / anger
12. Isolate (v.): boycott / assimilate
13. Isolated (adj.): populous / deserted
14. Jaded (adj.): bored / fresh
15. Jagged (adj.): smooth / craggy
16. Jangle (n.): clash / harmony
17. Jaunty (adj.): anxious / breezy
18. Jazzy (adj.): bold / dull
19. Jealous (adj.): satisfied / envious
20. Jell (v.): harden / disintegrate
21. Jeopardise (v.): protect / endanger
22. Jeopardy (n.): danger / safety
23. Jerky (adj.): smooth / bumpy
24. Jittery (adj.): calm / anxious
25. Jobless (adj.): unemployed / employed
26. Jocular (adj.): serious / comical
27. Join (v.): annex / divide
28. Jolly (adj.): sad / cheerful
29. Jovial (adj.): cheery / gloomy
30. Joy (n.): despair / bliss
1. replaceable
2. depressed
3. blameworthy
4. resistible
5. cautious
6. reverent
7. reversible
8. reversible
9. cheerful
10. gratify
11. delight
12. assimilate
13. populous
14. fresh
15. smooth
16. harmony
17. anxious
18. dull
19. satisfied
20. disintegrate
21. protect
22. safety
23. smooth
24. calm
25. employed
26. serious
27. divide
28. sad
29. gloomy
30. despair
Rating
10 – 15 correct: Good
16 – 20 correct: Excellent
21 – 30 correct: Exceptional