eager beaver

noun

1 eager beaver

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Moby thesaurus: activist, addict, ball of fire, beaver, big-time operator, bug, bustler, busy bee, collector, demon, doer, energumen, enthusiast, faddist, fanatic, fiend, freak, go-getter, great one for, hobbyist, hound, human dynamo, hustler, infatuate, live wire, man of action, man of deeds, militant, new broom, nut, operator, political activist, powerhouse, pursuer, rhapsodist, sucker for, take-charge guy, visionary, wheeler-dealer, winner, zealot ... show more.

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