underweight

underweight

adjective

Definition of UNDERWEIGHT

having little weight <the long illness left him frail and underweight>

Synonyms featherlight, feathery, lightweight, underweight, weightless

Related Words bantam, diminutive, little, minute, puny, small, smallish, tiny, undersized (also undersize), wee; flimsy, fragile, insubstantial; petite, slender, slight, slim, thin

Near Antonyms big, considerable, extensive, goodly, great, handsome, huge, hulking, jumbo, king-size (or king-sized), large, largish, massive, overscale (or overscaled), oversize (or oversized), sizable (or sizeable), substantial, super, voluminous, whacking; bulky, cumbersome, unwieldy

Antonyms heavy, hefty, leaden, overweight, ponderous, weighty