1. (n.) Defect; want; lack; default.

2. (n.) Anything that fails, that is wanting, or that impairs excellence; a failing; a defect; a blemish.

3. (n.) A moral failing; a defect or dereliction from duty; a deviation from propriety; an offense less serious than a crime.

4. (n.) A dislocation of the strata of the vein.

5. (n.) In coal seams, coal rendered worthless by impurities in the seam; as, slate fault, dirt fault, etc.

6. (n.) A lost scent; act of losing the scent.

7. (n.) Failure to serve the ball into the proper court.

8. (v. t.) To charge with a fault; to accuse; to find fault with; to blame.

9. (v. t.) To interrupt the continuity of (rock strata) by displacement along a plane of fracture; -- chiefly used in the p. p.; as, the coal beds are badly faulted.

10. (v. i.) To err; to blunder, to commit a fault; to do wrong.

aberrancy aberration abysm abyss accountability accountable accuse answerability answerable arroyo at fault atrocity bad habit besetting sin birthmark blackhead blame blameworthy bleb blemish blister blunder boner boo-boo boob box canyon breach break bug bulla call into question call to account canyon carp at catch cavity censure chap chasm check chimney chink cicatrix cleft clerical error cleuch clough col comedo corrigendum coulee couloir crack cranny crater craze crevasse crevice crime crime against humanity criticize culpability culpable cut cwm deadly sin defacement defect defection defectiveness deficiency defile deformation deformity delinquency dell delusion demerit dereliction deviancy dike disfiguration disfigurement disproportionately distortion ditch donga draw drawback enormity errancy erratum erroneousness error evil excavation exceedingly excessively extremely failing failure fallaciousness fallacy falseness falsity faultiness faute faux pas felony find fault fissure flaw flawedness flume foible fracture frailty freckle furrow fuss gaffe gap gape gash gaucherie genocide goof gorge groove guilt guilty guilty act gulch gulf gully hamartia heavy sin hemangioma heresy heterodoxy hickey hole howler human error illusion immoderately imperfection impropriety impugn in the extreme inadequacy incision indiscretion inexpiable sin infirmity iniquity injury injustice irrationally joint keloid kink kloof knock lapse leak lentigo liability liable little problem malefaction malfeasance malum milium minor wrong misapplication misapprehension misbehavior miscalculation miscarriage misconception misconduct misconstruction miscount misdeal misdeed misdemeanor misdoing misfeasance misidentification misinterpretation misjudgment misplay misprint misquotation misreport miss misstatement mistake misunderstanding misuse moat mole moral flaw mortal sin needle scar nevus niggle nonfeasance notch nullah offense omission onus opening outrage overly oversight pass passage peccadillo peccancy perversion pick at pick on pimple pit pock pockmark port-wine mark port-wine stain problem pustule ravine rent responsibility responsible rift rime rupture scab scar scissure scratch seam sebaceous cyst self-contradiction shortcoming sin sin of commission sin of omission sinful act sinfulness slip