Added 10 October 2026 dioestrual adjective Categories: Describing WordsObscure Words adjective ! Definition from WordNet 3.1, Princeton University. More about dioestrual at Wordnik → Where our words come from → (of animals that have several estrous cycles in one breeding season) in a period of sexual inactivity. Related Words: anestrousdiestrousdiestrualdioestrousdioestrusdianoiadianoeticdioondioscuridaedaliandeobstruentdiestrus Back to today's word