S: (adj) thin (of relatively small extent from one surface to the opposite or in cross section) "thin wire"; "a thin chiffon blouse"; "a thin book"; "a thin layer of paint"
S: (adj) cadaverous, emaciated, gaunt, haggard, pinched, skeletal, wasted (very thin especially from disease or hunger or cold) "a nightmare population of gaunt men and skeletal boys"; "eyes were haggard and cavernous"; "small pinched faces"; "kept life in his wasted frame only by grim concentration"
S: (adj) shriveled, shrivelled, shrunken, withered, wizen, wizened (lean and wrinkled by shrinkage as from age or illness) "the old woman's shriveled skin"; "he looked shriveled and ill"; "a shrunken old man"; "a lanky scarecrow of a man with withered face and lantern jaws"-W.F.Starkie; "he did well despite his withered arm"; "a wizened little man with frizzy grey hair"
S: (adj) slender, slight, slim, svelte (being of delicate or slender build) "she was slender as a willow shoot is slender"- Frank Norris; "a slim girl with straight blonde hair"; "watched her slight figure cross the street"
S: (adj) slender, thin (very narrow) "a thin line across the page"
S: (adj) sparse, thin (not dense) "a thin beard"; "trees were sparse"
S: (adj) thin (relatively thin in consistency or low in density; not viscous) "air is thin at high altitudes"; "a thin soup"; "skimmed milk is much thinner than whole milk"; "thin oil"
S: (adj) thin ((of sound) lacking resonance or volume) "a thin feeble cry"
S: (adj) thin (lacking spirit or sincere effort) "a thin smile"
S: (adj) flimsy, fragile, slight, tenuous, thin (lacking substance or significance) "slight evidence"; "a tenuous argument"; "a thin plot"; "a fragile claim to fame"
Adverb
S: (adv) thinly, thin (without viscosity) "the blood was flowing thin"