SYN: Concur, conduce, contribute, agree, unite, hang, pull together, co-operate, league, baud.
ANT: Oppose, counteract, withstand, run counter to.
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KEY: Constant.
SYN: Uniform, regular, invariable, perpetual, continuous, firm, fixed, steady, immutable, faithful, true, trustworthy.
ANT: Irregular, exceptional, variable, casual, accidental, incidental, broken, interrupted, inconstant, fickle, untrustworthy, faithless, treacherous, false.
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KEY: Consternation.
SYN: Amazement, bewilderment, astonishment, astounding, horror, terror, dismay.
ANT: Encouragement, boldness, fearlessness, assurance, anticipation, welcome, expectation, greeting, congratulation.