time interval time immemorial • timekeep · · · Info · Definitions · Synonyms · Characters · · time interval · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) a definite length of time marked off by two instants. Synonyms: time interval, interval. · · Noun Definition 1 Synonyms · · · interval · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074 v latin small letter v U+0076