The meaning of improve is to enhance in value or quality : How to use improve in a sentence. Phrasal verb improve on/upon something (definition of improve from the cambridge advanced learner's dictionary & thesaurus © cambridge university press)
Definition of improve verb in oxford advanced american dictionary. 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 previous performance.
English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels. Jan 20, 2026improve (third-person singular simple present improves, present participle improving, simple past and past participle improved) (transitive) to make (something) better; 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. Improve on/upon [phrasal verb] improve on/upon (something) :
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