SYN: Uninterested, routine, mechanical, careless, slovenly.
ANT: Interested, zealous, spirited, animated, ardent, assiduous, careful.
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KEY: Perhaps.
SYN: Possibly, peradventure, perchance, may be.
ANT: Certainly, inevitably.
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KEY: Peril.
SYN: Danger, risk, hazard, jeopardy, insecurity, uncertainty, unsafety, venture.
ANT: Security, safety, certainty.