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. Improve usually implies remedying a lack or a felt need:

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Ameliorate, a formal word, implies improving oppressive, unjust, or. Definition of improve. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels. The meaning of improve is to enhance in value or quality : Make better. How to use improve in a sentence. Synonym discussion of improve.

Make better. How to use improve in a sentence. Synonym discussion of improve. After months of study, i improved on my original score. It'll be hard to improve upon the success they had last year. 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,. 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]

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,. 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]

We need to improve on our performance against france. [verb + on]

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