seventieth seventhly • seventy · · · Info · Definitions · Synonyms · Characters · · seventieth · · Text Latin · · Script 10 · · Length Definitions · · · (noun) position 70 in a countable series of things. · · Noun Definition 1 (adj) the ordinal number of seventy in counting order. Synonyms: 70th. · · Adjective Definition 1 Synonyms · · · 70th · · Synonym 1 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074 v latin small letter v U+0076