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English definition of “unnerve”

unnerve

verb [T]    /ʌnˈnɜrv/
to make someone feel less confident and slightly frightened : The long silence unnerved him. unnerving    /ʌnˈnɜr·vɪŋ/ adjective It’s the way that he stares that I find so unnerving.
(Definition of unnerve verb from the Cambridge Academic Content Dictionary © Cambridge University Press)
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