- fault ► NOUN 1) an unattractive or unsatisfactory feature; a defect or mistake. 2) responsibility for an accident or misfortune. 3) (in tennis) a service that infringes the rules. 4) Geology an extended break in a rock formation, marked by the relative displacement and discontinuity of strata.► VERB 1) criticize for inadequacy or mistakes. 2) (be faulted) Geology be broken by a fault or faults.● find fault — Cf. ↑find fault● to a fault — Cf. ↑to a faultDERIVATIVES faultless adjective faultlessly adverb.ORIGIN from Latin fallere 'deceive' .
English terms dictionary. 2015.