birthday suit birthday cake • birth flower · · · Info · Definitions · Synonyms · Characters · · birthday suit · · Text Common · · Latin · · Scripts 13 · · Length Definitions · · · (noun) informal terms for nakedness. Synonyms: raw, altogether. Examples: "In the raw." "In the altogether." "In his birthday suit." · · Noun Definition 1 Synonyms · · · birthday · · Synonym 1 natal day · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 d latin small letter d U+0064 h latin small letter h U+0068 i latin small letter i U+0069 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079