Meaning of “deterrent” in the English Dictionary

"deterrent" in British English

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deterrentnoun [ C ]

uk /dɪˈter.ənt/ us /dɪˈter.ənt/

C2 something that deters people from doing something:

a nuclear deterrent
Tougher prison sentences may act/serve as a deterrent to other would-be offenders.

More examples

deterrent
adjective uk us

a deterrent effect

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