Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
psychoactive is an adjective meaning "affecting the mind or mood or other mental processes". It carries one recorded sense.
affecting the mind or mood or other mental processes
“psychoactive drugs”
Definitions, synonyms and semantic relations for psychoactive come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.