defunctness defunctionalize • defuse · · · Info · Definitions · Synonyms · Characters · · defunctness · · Text Latin · · Script 11 · · Length Definitions · · · (noun) no longer in existence. Synonyms: extinction. Example: "The extinction of a species." · · Noun Definition 1 Synonyms · · · extinction · · Synonym 1 Characters · · c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075