Definition of “improvement” - English Dictionary

“improvement” in British English

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improvementnoun [ C or U ]

uk /ɪmˈpruːv.mənt/ us /ɪmˈpruːv.mənt/

B1 an occasion when something gets better or when you make it better:

a slight improvement in the economy
home improvements
These white walls are a big improvement on that disgusting old wallpaper.
He's been having treatment for two months now without any improvement.

More examples

  • There's been a definite improvement in your English since you arrived.
  • Billy's work at school has shown signs of improvement this year.
  • Local parents successfully campaigned for safety improvements at the playground.
  • The report suggests that there has only been a marginal improvement in women's pay over the past few years.
  • The improvement in sales figures had a beneficial effect on the company as a whole.

(Definition of “improvement” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“improvement” in American English

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improvementnoun [ C/U ]

us /ɪmˈpruv·mənt/

the process of making something better or of getting better:

[ C ] We made some improvements to the house before selling it.
[ U ] There’s been no improvement in his condition.

(Definition of “improvement” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“improvement” in Business English

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improvementnoun

uk /ɪmˈpruːvmənt/ us

[ U ] the fact of something getting better, or the act of making something better:

constant/continued/significant improvement
signs of improvement
need/show/see improvement August appeared to show improvement in the job market.
improvement on/over sth It is unlikely that the current year will see any improvement on the $2.19bn net profit achieved in the year to June.
areas/opportunities/room for improvement

[ C ] a situation that is better than it was before, or a change that makes a situation better:

21% improvement in annual profits
improvement to/in sth They plan to make incremental improvements to existing products and services.

(Definition of “improvement” from the Cambridge Business English Dictionary © Cambridge University Press)