SPERMATOGENY Antonyms There are 2 antonyms of the word spermatogeny. (opposite meanings)Did you mean?Definition of SPERMATOGENYBest Opposite Words For SPERMATOGENYTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb Expand?WordSave?Synonyms..UsageTypeoogenesisnounnnoun • development of ovaovulationnounnnoun • the expulsion of an ovum from the ovary (usually midway in the menstrual cycle)