retro retrip • retroact · · · Info · Definitions · Synonyms · Characters · · retro · · Text Latin · · Script 5 · · Length 2 · · Syllables Definitions · · · (noun) a fashion reminiscent of the past. · · Noun Definition 1 (adj) affecting things past. Synonyms: ex post facto, retroactive. Examples: "Retroactive tax increase." "An ex-post-facto law." "Retro pay." · · Adjective Definition 1 Synonyms · · · ex post facto · · Synonym 1 retroactive · · Synonym 2 Characters · · e latin small letter e U+0065 o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074