double fault double-facedness • double-fault · · · Info · Definitions · Characters · · double fault · · Text Common · · Latin · · Scripts 12 · · Length 4 · · Syllables Definitions · · · (noun) (tennis) two successive faults in serving resulting in the loss of the point. Synonyms: double fault. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 l latin small letter l U+006C o latin small letter o U+006F t latin small letter t U+0074 u latin small letter u U+0075