| A | B |
| adverse | favorable positive, helpful, beneficial |
| arid | waterlogged, soggy, fertile, lush |
| assailant | victim, prey, injured party |
| billow | collapse, deflate, |
| confront | avoid, evade, sidestep |
| constrain | loosen, liberate, relax |
| contemporary | ancient, prehistoric, antique |
| disinterested | partial, biased, prejudiced |
| encompass | leave out, omit, exclude |
| groundless | well-founded, reasonable, justified |
| incomprehensible | understandable, clear, plain, intelligible |
| maximum | least, lowest, minimum, smallest |
| ruffle | smooth out, smooth |
| serene | agitated, troubled, stormy |
| sheepish | bold, saucy, brazen, confident |
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