defective

• POS: Adjective
• HYPHEN: de=fec=tive

OXFORD DICTIONARY

defective, adj. & n.
--adj.
1 having a defect or defects; incomplete, imperfect, faulty.
2 mentally subnormal.
3 (usu. foll. by in) lacking, deficient.
4 Gram. not having all the usual inflections.
--n. a mentally defective person.

Derivative

defectively adv. defectiveness n.

Etymology

ME f. OF defectif -ive or LL defectivus (as DEFECT)

THESAURUS

defective

aberrant, abroad, adrift, adulterated, all abroad, all off, all wrong, ament, amiss, amputee, arrested, askew, astray, at fault, awry, backward, beside the mark, blemished, born fool, broken, callow, checked, cicatrized, clot, congenital idiot, corrupt, corrupted, cracked, crazed, cretin, cripple, damaged, debased, deceptive, defaced, deficient, deformed, deformity, delusive, deranged, deviant, deviational, deviative, disfigured, disordered, distorted, disturbed, embryonic, errant, erring, erroneous, exceptional, failing, fallacious, fallible, false, faultful, faulty, flawed, found wanting, golem, half-assed, half-wit, handicapped person, heretical, heterodox, hypoplastic, idiot, illogical, illusory, imbecile, immature, impaired, imperfect, imprecise, impure, in arrear, in arrears, in default, in short supply, inaccurate, inadequate, incapable, incompetent, incomplete, inexact, infant, injured, insufficient, juggins, keloidal, kinked, lacking, makeshift, marred, mediocre, mentally deficient, missing, mixed, mongoloid idiot, moron, natural, natural idiot, natural-born fool, needing, not enough, not perfect, not right, not true, off, off the track, on the blink, on the fritz, out, out of order, paralytic, paraplegic, part, partial, patchy, peccant, perverse, perverted, pimpled, pimply, quadriplegic, retarded, scabbed, scabby, scant, scanty, scarified, scarred, scrappy, self-contradictory, short, shy, sick, simp, simple, simpleton, sketchy, split, straying, subnormal, the crippled, the handicapped, too little, twisted, underdeveloped, undeveloped, unequal to, uneven, unfactual, unfinished, unhealthy, unorthodox, unperfected, unproved, unqualified, unsatisfactory, unsatisfying, unsettled, unsound, unsufficing, unthorough, untrue, vitiated, wanting, warped, wide, wrong

ROGET THESAURUS

defective

Imperfection

N imperfection, imperfectness, deficiency, inadequacy, peccancy, immaturity, fault, defect, weak point, screw loose, flaw, gap, twist, taint, attainder, bar sinister, hole in one's coat, blemish, weakness, half blood, shortcoming, drawback, seamy side, mediocrity, no great shakes, no great catch, not much to boast of, one-horse shay, imperfect, not perfect, deficient, defective, faulty, unsound, tainted, out of order, out of tune, cracked, leaky, sprung, warped, lame, injured, peccant, frail, inadequate, crude, incomplete, found wanting, below par, short-handed, below its full strength, under its full strength, below its full complement, indifferent, middling, ordinary, mediocre, average, so-so, coucicouci, milk and water, tolerable, fair, passable, pretty well, pretty good, rather good, moderately good, good, good enough, well enough, adequate, decent, not bad, not amiss, inobjectionable, unobjectionable, admissible, bearable, only better than nothing, secondary, inferior, second-rate, second-best, one-horse, almost, to a limited extent, rather, pretty, moderately, passing, only, considering, all things considered, enough, surgit amari aliquid.

Incompleteness

N incompleteness, deficiency, short measure, shortcoming, insufficiency, imperfection, immaturity, half measures, defect, deficit, defalcation, omission, caret, shortage, interval, break, noncompletion, missing link, missing piece, missing part, gap, hole, lacuna, incomplete, imperfect, unfinished, uncompleted &c (complete), defective, deficient, wanting, lacking, failing, in default, in arrear, short of, hollow, meager, lame, halfand-half, perfunctory, sketchy, crude, mutilated, garbled, docked, lopped, truncated, in progress, in hand, going on, proceeding, incompletely, by halves, caetera desunt, caret.