1. (a.) Sinful; guilty of transgression\; criminal; as, peccant angels.

2. (a.) Morbid; corrupt; as, peccant humors.

3. (a.) Wrong; defective; faulty.

4. (n.) An offender.

aberrant abominable abroad adrift all abroad all off all wrong amiss arraignable arrant askew astray at fault atrocious awry bad bad for base beside the mark black blamable blameworthy cankered carious censurable contaminated corrupt criminal culpable damnable dark decayed deceptive decomposed defective delusive deviant deviational deviative diseased disgraceful distorted errant erring erroneous evil execrable fallacious FALSE faultful faulty festering flagitious flagrant flawed foul gangrened gangrenous gone bad guilty harmful heinous heretical heterodox ill illogical illusory impeachable implicated improper inaccurate inauspicious inculpated indictable inexpedient infamous infected inferior iniquitous injurious insalubrious insanitary invalid involved knavish low malevolent monstrous morbid morbific mortified naughty necrosed necrotic nefarious noisome not right not true noxious off off the track out pathogenic pathological perverse perverted pestiferous poisoned polluted putrefied putrescent putrid rank reprehensible reproachable reprobate reprovable rotten rotting scandalous self-contradictory septic shameful sinful sinister sphacelated spoiled straying suppurating suppurative tainted to blame ulcerated ulcerous unfactual unfavorable unforgivable unhealthful unhealthy unhygienic unkind unorthodox unpardonable unpleasant unproved unsanitary unskillful unspeakable untoward untrue unwholesome unworthy vicious vile villainous wicked wide wrong