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)

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)

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

Improve usually implies remedying a lack or a felt need: to improve a process, oneself (as by gaining more knowledge). Ameliorate, a formal word, implies improving oppressive, unjust, or difficult …

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

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

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 better, usually by a change …

There are 21 meanings listed in OED's entry for the verb improve, 14 of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.