See skinny in Webster's New World Roget's A-Z Thesaurus II
adjective
Having little flesh or fat on the body:
angular, bony, fleshless, gaunt, lank, lanky, lean2, meager, rawboned, scrawny, slender, slim, spare, thin, twiggy, weedy. Idioms: all skin and bones, thin as a rail. See fat
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