Word parts improve + -ment Pronunciation IPA (key): /ɪmˈpruːvmənt/ Audio (US)(file) Hyphenation: im‧prove‧ment Noun Singular improvement Plural improvements Improvement is on the Academic Vocabulary List. (countable) An improvement makes something better; it improves something. The improvement of this entry was well done. (uncountable) Improvement is the state of being improved or bettered. (countable) An improvement is an increase, advance, or growth.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads