Home › Words › S › spermatotoxinspermatotoxinspermatotoxin means any spermatotoxic substance.Among words judged in Lexicurio's Arena, spermatotoxin ranks #30,244 of 42,747 for Qualifying.EtymologyFrom spermato- + toxin.nounAny spermatotoxic substance.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.spermatotoxicity 81% match — The quality of being spermatotoxic. vs spermatotoxin →sapotoxin 66% match — A toxic saponin. vs spermatotoxin →embryotoxin 66% match — Any substance that is toxic to embryos vs spermatotoxin →gonadotoxic 65% match — Toxic to the gonads. vs spermatotoxin →spermatocystic 64% match — Relating to spermatocysts. vs spermatotoxin →spermatocytal 64% match — Relating to spermatocytes. vs spermatotoxin →cytotoxic 63% match — Of, relating to, or being a cytotoxin. vs spermatotoxin →antispermatogenic 63% match — That blocks spermatogenesis. vs spermatotoxin →