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Adjective: thin (thinner,thinnest)  thin
  1. 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"
     
  2. Lacking excess flesh
    "you can't be too rich or too thin";
    - lean, meager [N. Amer], meagre [Brit, Cdn]
     
  3. Very narrow
    "a thin line across the page";
    - slender, slimline
     
  4. Flowing easily 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"
     
  5. (of sound) lacking resonance or volume
    "a thin feeble cry"
     
  6. Not dense
    "a thin beard";
    - sparse
     
  7. Lacking spirit or sincere effort
    "a thin smile"
     
  8. Lacking substance or significance
    "a thin plot";
    - flimsy, fragile, slight, tenuous
Verb: thin (thinned,thinning)  thin
  1. Lose thickness; become thin or thinner
     
  2. Make thin or thinner
    "Thin the solution"
     
  3. Lessen the strength or flavour of a solution or mixture
    - dilute, thin out, reduce, cut
     
  4. Take off weight
    - reduce, melt off, slim, slenderize, slim down, slenderise [Brit], lose weight
Adverb: thin  thin
  1. Without viscosity
    "the blood was flowing thin";
    - thinly

Derived forms: thinning, thinnest, thins, thinned, thinner

See also: anorectic, anorexic, bladed, body, body weight, boney, bony, cadaverous, capillary, cobwebby, compressed, consistence, consistency, deep-eyed, depressed, diaphanous, distributed, ectomorphic, emaciated, filamentlike, filamentous, filiform, filmy, fine, flat, gangling, gangly, gaunt, gauze-like, gauzy, gossamer, haggard, hairlike, hollow-eyed, hyperfine, insignificant, lank, lanky, light, narrow, pale, paper thin, papery, pinched, rare, rarefied, rarified, rawboned, reedlike, reedy, ribbonlike, ribbony, scarecrowish, scraggly, scraggy, scrawny, see-through, sheer, shriveled [US], shrivelled [Brit, Cdn], shrunken, skeletal, skinny, sleazy [archaic], slender, slender-waisted, slight, slim, slim thick, slim-waisted, spare, spindle-legged, spindle-shanked, spindly, spiritless, stringy, substance, sunken-eyed, svelte, sylphic, sylphlike, tenuous, thickness, threadlike, thready, transparent, trim, twiggy, twiglike, underweight, unimportant, vaporous, vapory [US], vapourous [Brit, non-standard], vapoury [Brit, Cdn], wafer-thin, wasp-waisted, wasted, weedy, wiry, wisplike, wispy, withered, wizen, wizened

Type of: bring down, change state, cut, cut back, cut down, reduce, trim, trim back, trim down, turn, weaken

Antonym: full, thick, thicken

Encyclopedia: Thin, Robert