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Pronunciation varies by accent · adjective
(US, law) Allowing police to enter a property without immediate prior notification of the residents, as by knocking or ringing a doorbell..
a no-knock warrant
a no-knock raid
Use no-knock when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
No-knock means (US, law) Allowing police to enter a property without immediate prior notification of the residents, as by knocking or ringing a doorbell..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
a no-knock warrant
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