ANT: Confuse, jumble, disorder, disorganize.
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KEY: Mettle.
SYN: Ardor, spirit, life, fire, animation.
ANT: Hebetude, insensibility, callousness, placidity, stoicism, cowardice, submissiveness, slavishness.
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KEY: mettlesome.
SYN: Spirited, fiery, ardent, lively, gay, brisk, [See ARDENT and GALLANT].
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KEY: Mew.