powerhouse

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noun

Definition of POWERHOUSE

an ambitious person who eagerly goes after what is desired <from the very start of her singing career, she had a reputation for being a very determined powerhouse>

Synonyms bootstrapper, go-ahead, highflier (or highflyer), hummer, hustler, live wire, powerhouse, rustler, self-starter

Related Words eager beaver; achiever, comer, doer, enterpriser; he-man, individualist

Near Antonyms dawdler, idler, loafer, lounger, putterer, trifler; goldbrick, malingerer, procrastinator, shirker, slacker; drone, lazybones, sluggard; dallier, laggard, lingerer, loiterer, slowpoke, stick-in-the-mud; ignorer, ne'er-do-well, neglecter; daydreamer, dreamer; dropout, quitter