thin

I

(New American Roget's College Thesaurus)

adj. slender, lean, narrow (see narrowness); watery, weak, di-luted; attenuated; faint, dim, threadlike; fine, delicate; poor, lame (as an excuse); flimsy, sheer, filmy. See rarity, weakness, transparency, insipidity.

II

(Roget's IV) modif.

1. [Of little thickness]

Syn. flimsy, slim, slight, tenuous, attenuated, diaphanous, sheer, rare, sleazy, permeable, paper-thin, wafer-sliced; see also transparent 1 .

Ant. thick*, heavy, coarse.

2. [Slender]

Syn. slim, lean, skinny, scraggy, lank, lanky, spindly, spare, gaunt, bony, wan, rangy, skeletal, scrawny, lanky, delicate, wasted, haggard, emaciated, rawboned, shriveled, wizened, rickety, spindling, pinched, starved; see also dainty 1 .

Ant. fat*, obese, heavy.

3. [Sparse]

Syn. scarce, insufficient, deficient; see inadequate 1 .

4. [Having little content]

Syn. sketchy, slight, insubstantial, weak-kneed, vapid, weak, light, feeble, flat, diluted, thinly stretched; see also shallow 1 , 2 .

Ant. thick*, solid, substantial.

5. [Having little volume]

Syn. faint, shrill, piping, weak, rarefied, tenuous, attenuated, fragile, small, tiny, featherweight, bodiless, disembodied, ethereal, shaky; see also light 7 .

Ant. thick*, heavy, dense.

v.

Syn. expand, thin out, disperse, weed out, dilute, edit, delete, rarefy, reduce, attenuate; see also decrease 2 , weaken 2 .

III

(Roget's 3 Superthesaurus)

I

v.

dilute, cut, reduce, rarefy, water down, decrease, trim, weaken, attenuate, prune.

ANT.: thicken, concentrate, condense

II

a.

1. slender slight, slim, skinny, lean, emaciated, bony, spare, wispy, *thin as linguine, skin and bones, half-starved, scrawny, gaunt, rawboned, spindly.

2. scanty sparse, rare, few and far between, meager, skimpy, deficient.

3. watery diluted, weak, runny, rarefied.

4. sheer transparent, airy, fine, diaphanous, delicate, translucent, wispy, flimsy.

ANT.: 1. fat, obese, heavy, *broad in the beam. 2. full, thick, teeming, swarming. 3. condensed, concentrated, thick. 4. opaque, heavy, dense

IV

(Roget's Thesaurus II) I adjective 1. Having little flesh or fat on the body: angular, bony, fleshless, gaunt, lank, lanky, lean2, meager, rawboned, scrawny, skinny, slender, slim, spare, twiggy, weedy. Idioms: all skin and bones, thin as a rail. See FAT. 2. Marked by great diffusion of component particles: rare, rarefied. See TIGHTEN. 3. Lower than normal in strength or concentration due to admixture: dilute, washy, watered-down, waterish, watery, weak. See STRONG. 4. Conspicuously deficient in quantity, fullness, or extent: exiguous, meager, poor, puny, scant, scanty, skimpy, spare, sparse, stingy. Slang: measly. See BIG, EXCESS. 5. Not plausible or believable: flimsy, implausible, improbable, inconceivable, incredible, shaky, unbelievable, unconceivable, unconvincing, unsubstantial, weak. See LIKELY. II verb 1. To make physically thin or thinner: slim. Archaic: extenuate. See FAT, INCREASE. 2. To become diffuse: attenuate, rarefy. See TIGHTEN. 3. To lessen the strength of by or as if by admixture: attenuate, cut, dilute, water (down), weaken. See STRONG.