faulty

• POS: Adjective
• HYPHEN: fault=y

CIDE DICTIONARY

faulty, a. 

•  Containing faults, blemishes, or defects; imperfect; not fit for the use intended.  [1913 Webster]

  "Created once
  So goodly and erect, though faulty since."  [1913 Webster]
•  Guilty of a fault, or of faults; hence, blamable; worthy of censure.  Shak.  [1913 Webster]

  "The king doth speak . . . as one which is faulty."  [1913 Webster]

OXFORD DICTIONARY

faulty, (faultier, faultiest) adj. having faults; imperfect, defective.

Derivative

faultily adv. faultiness n.

THESAURUS

faulty

aberrant, abroad, absonant, adrift, adulterated, all abroad, all off, all wrong, amiss, arraignable, askew, astray, at fault, awry, bad, barbarous, beside the mark, blemished, broken, careless, censurable, checked, cicatrized, contradictory, contrary to reason, corrupt, cracked, crazed, criminal, culpable, damaged, deceptive, defaced, defective, deficient, deformed, delusive, deviant, deviational, deviative, disfigured, distorted, errant, erring, erroneous, fallacious, fallible, false, faultful, flawed, found wanting, guilty, heretical, heterodox, illogical, illusory, immature, impaired, impeachable, imperfect, implicated, imprecise, improper, impure, inaccurate, inadequate, inauthentic, incomplete, inconclusive, incongruous, inconsequent, inconsequential, inconsistent, incorrect, inculpated, indictable, inexact, infelicitous, invalid, involved, irrational, keloidal, kinked, lacking, loose, makeshift, malfunctioning, marred, mediocre, mixed, nonscientific, not following, not perfect, not right, not true, off, off the track, on the blink, on the fritz, out, out of order, paralogical, partial, patchy, peccant, perverse, perverted, pimpled, pimply, reasonless, reprehensible, reproachable, reprovable, scabbed, scabby, scarified, scarred, self-annulling, self-contradictory, self-refuting, senseless, short, sick, sketchy, slipshod, slovenly, solecistic, specious, split, straying, to blame, twisted, unauthentic, unconnected, undeveloped, uneven, unfactual, unfinished, ungrammatic, unorthodox, unperfected, unphilosophical, unproved, unreasonable, unscientific, unsound, unthorough, untrue, wanting, warped, wide, without reason, wrong

ROGET THESAURUS

faulty

Solecism

N solecism, bad grammar, false grammar, faulty grammar, slip of the pen, slip of the tongue, lapsus linguae, slipslop, bull, barbarism, impropriety, ungrammatical, incorrect, inaccurate, faulty, improper, incongruous, solecistic, solecistical.

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.