eighth eightfold • eighthly · · · Info · Definitions · Synonyms · Characters · · eighth · · Text Latin · · Script 6 · · Length Definitions · · · (noun) position eight in a countable series of things. · · Noun Definition 1 (noun) one part in eight equal parts. Synonyms: one-eighth. · · Noun Definition 2 (adj) coming next after the seventh and just before the ninth in position. Synonyms: 8th. · · Adjective Definition 1 Synonyms · · · one-eighth · · Synonym 1 8th · · Synonym 2 Characters · · e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 t latin small letter t U+0074