To advance to a more desirable state:
Ameliorate, amend, better, help, meliorate, upgrade.
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).
The meaning of improve is to enhance in value or quality :
Make better.
How to use improve in a sentence.
Synonym discussion of improve.
Definition of improve verb in oxford advanced learner's dictionary.
Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
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]
Maybe we'll buy a house when our financial situation improves.
Her writing has improved since the beginning of the school year.
The company has been having steadily improving sales.
After months.
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.
Definition of improve.
English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.
Phrasal verb improve on/upon something (definition of improve from the cambridge advanced learner's dictionary & thesaurus © cambridge university press)