agenesis agenesic • agenise · · · Info · Definitions · Synonyms · Characters · · agenesis · · Text Latin · · Script 8 · · Length 4 · · Syllables Definitions · · · (noun) imperfect development; nondevelopment of a part. Synonyms: agenesia. · · Noun Definition 1 Synonyms · · · agenesia · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E s latin small letter s U+0073