agenesia agendum • agenesic · · · Info · Definitions · Synonyms · Characters · · agenesia · · Text Latin · · Script 8 · · Length Definitions · · · (noun) imperfect development; nondevelopment of a part. Synonyms: agenesis. · · Noun Definition 1 Synonyms · · · agenesis · · 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