Choose the word that is opposite in meaning to the word on the left:
1. acquire buy, sell, procure, purchase, meet
2. plausible possible, terrible, horrible, unreasonable
3. adore respect, admire, weaken, deny, loathe
4. obvious previous, evident, hidden, private,distinct
5. anxious nervous, shaken, poised, tense, happy
6. identical same, alike, known, dissimilar, unknown
7. safe secure, perilous, danger, lock, key
8. continue follow, keep, disobey, cease, start
9. considerate kind, gentle, genial, indifferent, tough
10. meek docile, pleasant, demure, weak, bold
11. fake untrue, genuine, false, fraud, spurious
12. freeze hot, warm, cold, chill, thaw
13. entire whole, one, unite, together, part
14. mirth dirty, unclean, tidy, tiny, woe
15. follow obey, walk, run, precede, above
16. irk irritate, annoy, please, plead, scratch
17. depart go, leave, fly, hover, arrive
18. bravery weak, frail, strong, cowardice, strength
19. dim bright, sad, smart, dull, light
20. vigilant careful, awake, alert, sleep, negilgent