Entry Word: thin

Function: adjective

Meaning: 1 having a noticeably small amount of body fat <after her bout with pneumonia, she looked thinner>

Synonyms lean, skinny, slender, slim, spare

Related Words angular, bony, rawboned, scraggy, scrawny, sinewy; lank, lanky, rangy, reedy, spindling, spindly, twiggy, waspish, weedy, willowy, wiry; anorexic, cadaverous, emaciated, gaunt, haggard, pinched, skeletal, wasted, wizened; puny, meager (or meagre), slight

Near Antonyms beefy, bulky, chunky, fleshy, heavy, heavyset, stocky, stout, thick, thickset, weighty; brawny, burly, husky; dumpy, pudgy, roly-poly, squat, stubby; paunchy, potbellied; flabby, soft; buxom; fleshed-out, full, round

Antonyms chubby, corpulent, fat, gross, obese, overweight, plump, portly, rotund, tubby

2 being of less than usual width <the thin threads of a cobweb> — see narrow 1
3 not containing very much of some important element <the evidence for that oddball theory is pretty thin> — see weak 3