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HYPHEN
WORDNET DICTIONARY
THESAURUS

WORDNET DICTIONARY

Noun dumbbell has 2 senses

• dumbbell(n = noun.artifact) Array - an exercising weight; two spheres connected by a short bar that serves as a handle; Array
is a kind of exercising weight, free weight, weight

• dumbbell(n = noun.person) boob, booby, dope, dummy, pinhead - an ignorant or foolish person; Array
is a kind of simple, simpleton

THESAURUS

dumbbell

Boeotian, Indian club, barbell, block, clod, dimwit, dolt, donkey, dope, dullard, dullhead, dumb cluck, dummkopf, dummy, dunce, exerciser, gowk, horse, idiot, ignoramus, jobbernowl, lackwit, lamebrain, lightweight, long horse, looby, loon, moron, niais, nincompoop, ninny, ninnyhammer, nitwit, noddy, parallel bars, punching bag, put, rings, rowing machine, side horse, simpleton, stupid, thickwit, trampoline, trapeze, weight, witling

For further exploring for "dumbbell" in Webster Dictionary Online