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KEY: Active.
SYN: Nimble, agile, lively, sprightly, brisk, quick, expert, dexterous, supple, wide-awake, prompt, busy, industrial, diligent.
ANT: Slow, inactive, Indolent, sluggish, heavy.
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KEY: Activity.
SYN: Agility, quickness, energy, briskness, vivacity, promptness, alertness, celerity, rapidity.
ANT: Inactivity, awkwardness, Indolence, slowness, sloth, clumsiness, heaviness, sluggishness, lassitude.
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KEY: Actor.