| 1. | sad | depressed | downcast | dejected |
|---|---|---|---|---|
| happy | cheerful | joyful | glad | |
| 2. | safe | protected | secure | guarded |
| at risk | imperilled | insecure | in danger | |
| 3. | same | identical | alike | equivalent |
| different | dissimilar | unlike | variable | |
| 4. | sane | sensible | level-headed | reasonable |
| crazy | insane | loony | bonkers | |
| 5. | satisfied | gratified | content | fulfilled |
| dissatisfied | unhappy | discontented | displeased |
| 6. | savage | fierce | ferocious | vicious |
|---|---|---|---|---|
| gentle | kind | pleasant | mild | |
| 7. | scarce | sparse | scanty | meagre |
| plentiful | numerous | lavish | abundant | |
| 8. | sense | meaning | significance | import |
| nonsense | foolishness | stupidity | folly | |
| 9. | separate | apart | detached | divided |
| joined | combined | connected | united | |
| 10. | serious | stern | solemn | grave |
| silly | childish | capricious | frivolous |
| 11. | shy | coy | bashful | reserved |
|---|---|---|---|---|
| outgoing | extroverted | sociable | unreserved | |
| 12. | slow | tardy | sluggish | delayed |
| fast | quick | rapid | hurried | |
| 13. | small | tiny | minute | little |
| colossal | big | large | huge | |
| 14. | smart | clever | intelligent | quick-witted |
| dull | stupid | dense | slow | |
| 15. | smooth | polished | soft | refined |
| coarse | rough | crude | unrefined |
| 16. | solitary | alone | lonely | single |
|---|---|---|---|---|
| together | collectively | jointly | mutually | |
| 17. | spotless | clean | pure | unblemished |
| dirty | sordid | stained | sloppy | |
| 18. | start | commence | begin | emerge |
| conclude | cease | close | complete | |
| 19. | strange | peculiar | odd | queer |
| normal | regular | customary | common | |
| 20. | superb | excellent | superior | outstanding |
| mediocre | inferior | substandard | ordinary |
*Three types of antonyms (gradable, complementary and relational) can be distinguished. Word meanings are context-dependent.