1. wimp(n = noun.person) chicken, crybaby - a person who lacks confidence, is irresolute and wishy-washy;
is a kind of doormat, weakling, wuss
Derived form adjective wimpy1
2. wimp(n = noun.object) weakly interacting massive particle - a hypothetical subatomic particle of large mass that interacts weakly with ordinary matter through gravitation; postulated as a constituent of the dark matter of the universe;
is a kind of elementary particle, fundamental particle
is a part of dark matter
wimp, n. colloq. a feeble or ineffectual person.
Derivative:
wimpish adj. wimpishly adv. wimpishness n. wimpy adj.
Etymology:
20th c.: orig. uncert.
N irresolution, infirmity of purpose, indecision, indetermination, undetermination, unsettlement, uncertainty, demur, suspense, hesitating, hesitation, hesitancy, vacillation, changeableness, fluctuation, alternation, caprice, fickleness, levity, legerete, pliancy, weakness, timidity, cowardice, half measures, waverer, ass between two bundles of hay, shuttlecock, butterfly, wimp, doughface, irresolute, infirm of purpose, double-minded, half-hearted, undecided, unresolved, undetermined, shilly-shally, fidgety, tremulous, hesitating, off one's balance, at a loss, vacillating, unsteady, unsteadfast, fickle, without ballast, capricious, volatile, frothy, light, lightsome, light-minded, giddy, fast and loose, weak, feeble-minded, frail, timid, wimpish, wimpy, cowardly, dough-faced, facile, pliant, unable to say 'no', easy-going revocable, reversible, irresolutely, irresolved, irresolvedly, in faltering accents, off and on, from pillar to post, seesaw, Int, how happy could I be with either!.
N impotence, inability, disability, disablement, impuissance, imbecility, incapacity, incapability, inaptitude, ineptitude, incompetence, unproductivity, indocility, invalidity, disqualification, inefficiency, wastefulness, telum imbelle, brutum fulmen, blank, blank cartridge, flash in the pan, vox et proeterea nihil, dead letter, bit of waste paper, dummy, paper tiger, Quaker gun, inefficacy, failure, helplessness, prostration, paralysis, palsy, apoplexy, syncope, sideration, deliquium, collapse, exhaustion, softening of the brain, inanition, emasculation, orchiotomy, orchotomy, cripple, old woman, muff, powder puff, creampuff, pussycat, wimp, mollycoddle, eunuch, powerless, impotent, unable, incapable, incompetent, inefficient, ineffective, inept, unfit, unfitted, unqualified, disqualified, unendowed, inapt, unapt, crippled, disabled, armless, harmless, unarmed, weaponless, defenseless, sine ictu, unfortified, indefensible, vincible, pregnable, untenable, paralytic, paralyzed, palsied, imbecile, nerveless, sinewless, marrowless, pithless, lustless, emasculate, disjointed, out of joint, out of gear, unnerved, unhinged, water-logged, on one's beam ends, rudderless, laid on one's back, done up, dead beat, exhausted, shattered, demoralized, graveled, helpless, unfriended, fatherless, without a leg to stand on, hors de combat, laid on the shelf, null and void, nugatory, inoperative, good for nothing, ineffectual, inadequate, inefficacious, der kranke Mann, desirous still but impotent to rise, the spirit is willing but the flesh is weak.