The meaning of IMPROVE is to enhance in value or quality : make better. How to use improve in a sentence. Synonym Discussion of Improve.

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

Dec 31, 2025 · improve (third-person singular simple present improves, present participle improving, simple past and past participle improved) (transitive) To make (something) better; …

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

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, ameliorate, better imply bringing to a more desirable state. Improve usually implies remedying a lack or a felt need: to improve a process, oneself (as by gaining more knowledge).

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

A drawing of a man pointing to a graphing showing an improvement in sales numbers. Improvement is the process of a thing moving from one state to a state considered to be …

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

The verb improve means To make something better or enhance its quality, condition, or performance.