notion is on the Academic Word List. Pronunciation (UK) IPA (key): /ˈnəʊʃən/ (US) IPA (key): /ˈnoʊʃən/ Audio (US)(file) Noun Singular notion Plural notions Notion is on the Academic Vocabulary List. (countable) A notion is an idea about something. The film questions the standard notions of right and wrong. We have to reject this strange notion that some languages are better than others. I made my way home each night with at least some notion of hope.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads