thin

thin [adj1] fine, light, slender attenuate, attenuated, beanpole*, beanstalk*, bony*, cadaverous, delicate, emaciated, ethereal, featherweight, fragile, gangling, gangly, gaunt, haggard, lank, lanky, lean, lightweight, meager, narrow, peaked, pinched, pole*, puny*, rangy, rarefied, rawboned, reedy, rickety, scraggy*, scrawny, shadow, shriveled, skeletal, skinny, slight, slim, slinky, small, spare, spindly, stalky*, starved, stick*, stilt*, subtle, threadlike, twiggy*, twiglike, undernourished, underweight, wan, wasted, wizened; concept 491 —Ant. dense, fat, heavy, inflated, obese, thick thin [adj2] transparent, fine attenuate, attenuated, delicate, diaphanous, filmy, flimsy, gossamer, paper-thin, permeable, rare, rarefied, refined, see-through, sheer, slight, slim, subtile, subtle, tenuous, translucent, unsubstantial, wafer-thin, wispy; concept 606 —Ant. dense, solid, thick thin [adj3] deficient, weak diluted, feeble*, flat*, flimsy*, implausible, improbable, inadequate, inconceivable, incredible, insubstantial, insufficient, lame, meager, poor, questionable, scant, scanty, scarce, scattered, shallow, sketchy, skimpy*, slight, sparse, stretched, superficial, thick*, transparent, unbelievable, unconvincing, unpersuasive, unsubstantial, untenable, vapid, weak-kneed*; concept 771 —Ant. efficient, solid, strong thin [adj4] diluted diffuse, dilute, dispersed, fine, light, rarefied, refined, runny, subtle, watery, weak, wishy-washy*; concept 485 —Ant. concentrated, thick, undiluted thin [v] make diluted or less dense attenuate, cook, cut, cut back, decrease, delete, diminish, disperse, doctor, edit, emaciate, expand, extenuate, irrigate, lace*, needle*, prune, rarefy, reduce, refine, shave, spike, trim, water, water down, weaken, weed out; concepts 137,250 —Ant. beef up, thicken