one-off one-oclock • one-on-one · · · Info · Definitions · Characters · · one-off · · Text Common · · Latin · · Scripts 7 · · Length 3 · · Syllables Definitions · · · (noun) a happening that occurs only once and is not repeated. · · Noun Definition 1 Characters · · - hyphen-minus U+002D e latin small letter e U+0065 f latin small letter f U+0066 n latin small letter n U+006E o latin small letter o U+006F