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English definition of “deter”

deter

verb [T]  /dɪˈtɜr/ (-rr-) us  
to prevent or discourage someone from doing something: High prices are deterring a lot of young couples from buying houses.
deterrent
noun [C]  /dɪˈtɜr·ənt, -ˈter-/ us  
The company says this alarm is an effective deterrent against theft.
(Definition of deter from the Cambridge Academic Content Dictionary © Cambridge University Press)
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