improve Meaning in the Cambridge English Dictionary
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Meaning of “improve” in the English Dictionary

"improve" in British English

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improveverb [I or T]

uk   us   /ɪmˈpruːv/
A2 to (​cause something to) get ​better: He did a lot to improve ​conditions for ​factoryworkers. I ​thought the ​best way to improve my ​French was to ​live in France. Her ​health has improved ​dramatically since she ​started on this new ​diet.
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(Definition of improve from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"improve" in American English

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improveverb [I/T]

 us   /ɪmˈpruv/
to get ​better, or to make something ​better: [I] Her ​grades have improved ​greatly this ​semester. [T] He did a lot to improve ​conditions for ​factoryworkers. If you improve on something, you ​succeed in doing or making it ​better: [I] The ​company is hoping to improve on last year’s ​salesfigures.
(Definition of improve from the Cambridge Academic Content Dictionary © Cambridge University Press)

"improve" in Business English

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improveverb

uk   us   /ɪmˈpruːv/
[I] to get better: gradually/greatly/vastly improve Conditions for ​foreigninvestors are also gradually improving. improve considerably/dramatically/significantly
[T] to make something better: We're ​working hard to improve the ​situation. to improve ​performance/​profitability/​service improve ​efficiency/​quality/​productivity
if ​prices, ​shares, ​sales, etc. improve a particular ​amount, they ​increase by that ​amount: Total new ​business improved by almost a ​quarter in the three months to September 30. The ​shares improved 20p to 730p.begin/continue to improve Total ​exports continued to improve and ​increased by 10.3% in November.
Phrasal verbs
(Definition of improve from the Cambridge Business English Dictionary © Cambridge University Press)
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