Phrasal verb improve on/upon something (Definition of improve from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

If you improve on a previous achievement of your own or of someone else, you achieve a better standard or result. We need to improve on our performance against France. [VERB + on]

improve on/upon [phrasal verb] improve on/upon (something) : to do better than (something previously done)

Definition of improve verb in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

To advance to a more desirable state: ameliorate, amend, better, help, meliorate, upgrade.

Some common synonyms of improve are ameliorate, better, and help. While all these words mean "to make more acceptable or to bring nearer a standard," improve and better are general and …

Apr 14, 2026 · improve (third-person singular simple present improves, present participle improving, simple past and past participle improved) (transitive) To make (something) better; to increase the …

improve meaning, definition, what is improve: to make something better, or to become b...: Learn more.

Definition of improve. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.

improve: To raise to a more desirable or more excellent quality or condition; make better.