1. (noun)mistake, error, fault a wrong action attributable to bad judgment or ignorance or inattention Synonyms: erroneousness, fault, fracture, flaw, misapprehension, geological fault, computer error, faulting, erroneous belief, wrongdoing, defect, shift, error, demerit, misunderstanding, misplay, mistake, break
2. (noun)defect, fault, flaw an imperfection in an object or machine Synonyms: blemish, mar, shift, faulting, mistake, defect, fault, demerit, shortcoming, break, flaw, fracture, geological fault, error
3. (noun)demerit, fault the quality of being inadequate or falling short of perfection Synonyms: fracture, shift, mistake, defect, error, fault, break, demerit, flaw, geological fault, faulting
4. (noun)fault, faulting, geological fault, shift, fracture, break (geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other Synonyms: prison-breaking, suspension, gap, jailbreak, respite, sack, happy chance, crack, interruption, chemise, duty period, severance, rift, prisonbreak, transmutation, recess, breakout, displacement, faulting, defect, switch, geological fault, teddy, shifting, falling out, break, intermission, good luck, breaking, shimmy, open frame, gaolbreak, mistake, slip, disruption, breach, breakage, flaw, shift key, demerit, fault, pause, shift, fracture, time out, switching, work shift, rupture, break of serve, cracking, transformation, error
5. (noun)fault (electronics) equipment failure attributable to some defect in a circuit (loose connection or insulation failure or short circuit etc.) Synonyms: fracture, shift, mistake, defect, error, break, demerit, flaw, geological fault, faulting
6. (noun)fault responsibility for a bad situation or event Synonyms: fracture, shift, mistake, defect, error, break, demerit, flaw, geological fault, faulting
7. (verb)fault (sports) a serve that is illegal (e.g., that lands outside the prescribed area) Synonyms: fracture, shift, mistake, defect, error, break, demerit, flaw, geological fault, faulting
8. (verb)blame, fault put or pin the blame on Synonyms: blame, pick, fault, find fault, charge
Synonyms, Thesaurus & Antonyms of 'fault'
English Synonyms and Antonyms
1. fault Whatever mars the beauty or completeness of an object is a blemish, whether original, as squinting eyes, or the result of accident or disease, etc., as the pits of smallpox. A blemish is superfic Synonyms: blemish, blot, defacement, disgrace, injury, spot, blur, defect, dishonor, reproach, stain, brand, deformity, fault, smirch, stigma, crack, dent, flaw, soil, taint, daub, disfigurement, imperfection, speck, tarnish
Synonyms for fault 
