Added 9 October 2026 psychoactive /ˌsaɪkoʊˈæktɪv/ adjective Categories: Describing WordsRare Words adjective ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about psychoactive at Wordnik → Where our words come from → Affecting the mind or mood or other mental processes. psychoactive drugs Origin From psycho- + active. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: psychotropicmind-alteringhallucinogenicpsychedelicmind-bendingmind-blowingpsychiatricnarcoticspiritualmodificationpsychotrophicpsychopharmacologic Back to today's word