Word parts clever + -ness Pronunciation (US) IPA (key): /ˈklɛvɚnəs/ (UK) IPA (key): /ˈklɛvənəs/ Audio (US)(file) Hyphenation: clev‧er‧ness Noun Singular cleverness Plural clevernesses The cleverness of a person is how clever they are. Synonyms: smartness and brightnessWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads