Pronunciation (US) IPA (key): /kɑrˈtuːn/ (UK) IPA (key): /kɑːˈtuːn/ Audio (US)(file) Noun Singular cartoon Plural cartoons (countable) A cartoon is a movie using animation. (countable) A cartoon is a funny humorous drawing in a comic or newspaper or magazine. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads