Make unfit or unsuitable.

synonyms: disqualify, indispose.

Roget 158: be impotent etc. adj.; not have a leg to stand on.    vouloir rompre l'anguille au genou [Fr.], vouloir prendre la lune avec les dents [Fr.].    collapse, faint, swoon, fall into a swoon, drop; go by the board, go by the wayside; go up in smoke, end in smoke etc. (fail) 732.    render powerless etc. adj.; deprive of power; disable, disenable^†; disarm, incapacitate, disqualify, unfit, invalidate, deaden, cramp, tie the hands; double up, prostrate, paralyze, muzzle, cripple, becripple^†, maim, lame, hamstring, draw the teeth of; throttle, strangle, garrotte, garrote; ratten^†, silence, sprain, clip the wings of, put hors de combat [Fr.], spike the guns; take the wind out of one's sails, scotch the snake, put a spoke in one's wheel; break the neck, break the back; unhinge, unfit; put out of gear.    unman, unnerve, enervate; emasculate, castrate, geld, alter, neuter, sterilize, fix.    shatter, exhaust, weaken etc. 160.    ... show more

Below the required standards for a purpose.

Roget 699: unskillful etc. 698; inexpert; bungling etc. v.; awkward, clumsy, unhandy, lubberly, gauche, maladroit; left-handed, heavy-handed; slovenly, slatternly; gawky.    adrift, at fault.    inapt, unapt; inhabile [Fr.]; untractable^†, unteachable; giddy etc. (inattentive) 458; inconsiderate etc. (neglectful) 460; stupid etc. 499; inactive etc. 683; incompetent; unqualified, disqualified, ill-qualified; unfit; quackish; raw, green, inexperienced, rusty, out of practice.    unaccustomed, unused, untrained etc. 537, uninitiated, unconversant etc. (ignorant) 491^†; shiftless; unstatesmanlike.    unadvised; ill-advised, misadvised; ill-devised, ill-imagined, ill-judged, ill-contrived, ill-conducted; unguided, misguided; misconducted, foolish, wild; infelicitous; penny wise and pound foolish etc. (inconsistent) 608.    ... show more

Roget 24: disagreeing etc. v.; discordant, discrepant; at variance, at war; hostile, antagonistic, repugnant, incompatible, irreconcilable, inconsistent with; unconformable, exceptional etc. 83; intrusive, incongruous; disproportionate, disproportionated^†; inharmonious, unharmonious^†; inconsonant, unconsonant^†; divergent, repugnant to.    inapt, unapt, inappropriate, improper; unsuited, unsuitable; inapplicable, not to the point; unfit, unfitting, unbefitting; unbecoming; illtimed, unseasonable, mal a propos [Fr.], inadmissible; inapposite etc. (irrelevant) 10.    uncongenial; ill-assorted, ill-sorted; mismatched, misjoined^†, misplaced, misclassified; unaccommodating, irreducible, incommensurable, uncommensurable^†; unsympathetic.    out of character, out of keeping, out of proportion, out of joint, out of tune, out of place, out of season, out of its element; at odds with, at variance with.    ... show more

Roget 925: undue; unlawful etc. (illegal) 964; unconstitutional; illicit; unauthorized, unwarranted, disallowed, unallowed^†, unsanctioned, unjustified; unentitled^†, disentitled, unqualified, disqualified; unprivileged, unchartered.    illegitimate, bastard, spurious, supposititious, false; usurped.    tortious [Law].    undeserved, unmerited, unearned; unfulfilled.    forfeited, disfranchised.    improper; unmeet, unfit, unbefitting, unseemly; unbecoming, misbecoming^†; seemless^†; contra bonos mores [Lat.]; not the thing, out of the question, not to be thought of; preposterous, pretentious, would-be.    ... show more

Roget 647: inexpedient, undesirable; unadvisable, inadvisable; objectionable; inapt, ineligible, inadmissible, inconvenient; incommodious, discommodious^†; disadvantageous; inappropriate, unfit etc. (inconsonant) 24.    ill-contrived, ill-advised; unsatisfactory; unprofitable &c.; unsubservient etc. (useless) 645; inopportune etc. (unseasonable) 135; out of place, in the wrong place; improper, unseemly.    clumsy, awkward; cumbrous, cumbersome; lumbering, unwieldy, hulky^†; unmanageable etc. (impracticable) 704; impedient etc. (in the way) 706^†.    unnecessary etc. (redundant) 641.    ... show more

Roget 158: powerless, impotent, unable, incapable, incompetent; inefficient, ineffective; inept; unfit, unfitted; unqualified, disqualified; unendowed; inapt, unapt; crippled, disabled etc. v.; armless^†.    harmless, unarmed, weaponless, defenseless, sine ictu [Lat.], 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 etc. (in difficulty) 704; helpless, unfriended^†, fatherless; without a leg to stand on, hors de combat [Fr.], laid on the shelf.    null and void, nugatory, inoperative, good for nothing; ineffectual etc. (failing) 732; inadequate etc. 640; inefficacious etc. (useless) 645.    ... show more

Not in good physical or mental condition; out of condition.

Physically unsound or diseased.

synonyms: bad, unsound.

Roget 923: wrong, wrongful; bad, too bad; unjust, unfair; inequitable, unequitable^†; unequal, partial, one-sided; injurious, tortious [Law].    objectionable; unreasonable, unallowable, unwarrantable, unjustifiable; improper, unfit; unjustified etc. 925; illegal etc. 964; iniquitous; immoral etc. 945.    in the wrong, in the wrong box.    ... show more