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decrease

verb [I or T]
 
 
/dɪˈkriːs/ US  /ˈdiː.kriːs/

Definition

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. → Opposite increaseBecoming and making smaller or lessBecoming and making less strong
(Definition of decrease verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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