one fifth one-eyedness • one-finned · · · Info · Definitions · Synonyms · Characters · · one fifth · · Text Common · · Latin · · Scripts 9 · · Length Definitions · · · (noun) one part in five equal parts. Synonyms: one-fifth, fifth, fifth part, twenty percent. · · Noun Definition 1 Synonyms · · · one · · Synonym 1 1 · · Synonym 2 i · · Synonym 3 ace · · Synonym 4 single · · Synonym 5 unity · · Synonym 6 ane · · Synonym 7 unitary · · Synonym 8 matchless · · Synonym 9 nonpareil · · Synonym 10 one and only · · Synonym 11 peerless · · Synonym 12 unmatched · · Synonym 13 unmatchable · · Synonym 14 unrivaled · · Synonym 15 unrivalled · · Synonym 16 Characters · · space U+0020 e latin small letter e U+0065 f latin small letter f U+0066 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F t latin small letter t U+0074