Meaning of “decrease” in the English Dictionary

"decrease" in British English

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decreaseverb [ I or T ]

uk /dɪˈkriːs/ us /ˈdiː.kriːs/

B1 to become less, or to make something become less:

Our share of the market has decreased sharply this year.
We have decreased our involvement in children's books.

More examples

  • During the 1980s, the amount of ozone in the stratosphere above Europe decreased by about 8%.
  • Total unemployment has decreased in the past year.
  • The pop star's popularity decreased as he got older, which is only to be expected.
  • The government proposed decreasing the annual expenditure on arms.
  • To make the sleeve get narrower toward the cuff, you gradually decrease the number of stitches on your needle.

decreasenoun [ C or U ]

uk /ˈdiː.kriːs/ us /ˈdiː.kriːs/

B1 a reduction:

There has been a steady decrease in the number of visitors.
I haven't noticed much decrease in interest.

More examples

  • There was a slight decrease in his weight after a week of dieting.
  • Any decrease in tourism could have a serious effect on the local economy.
  • The report's finding on the decrease in violent crime supports the police chief's claims.
  • We have seen a marked decrease in the number of accidents since these safety measures were introduced.
  • We've noticed a steady decrease in jobs available for new graduates in the industry.

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

"decrease" in American English

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decreaseverb [ I/T ]

us /dɪˈkris, ˈdi·kris/

to become smaller or make something less:

[ I ] Car sales decreased sharply this year.
noun [ C ] us /ˈdi·kris, dɪˈkris/

I haven’t noticed any decrease in ticket sales.

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

"decrease" in Business English

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decreaseverb [ I or T ]

uk /dɪˈkriːs/ us

to become less, or to make something become less:

decrease in value/price/amount When an investment increases or decreases in value but we do not sell it, we record an unrealized gain or loss.
decrease by 10%/10 points, etc. The country's total exports decreased by 6% in 2009.
The company has introduced various strategies to decrease production costs.
decrease significantly/dramatically/rapidly
decrease gradually/slightly/slowly

decreasenoun [ C or U ]

uk /ˈdiːkriːs/ us

the process of something becoming less, or the amount by which something becomes less:

Florida is not the only state to experience decreases in revenues.
a decrease of 10%/10 points, etc. Sales were $640 million for the quarter, a decrease of 11%.
a marked/significant/dramatic decrease
a slight/gradual/steady decrease

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