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Pronunciation varies by accent · noun
A police officer (especially a detective) who wears civilian clothes when on duty..
Use plainclothesman when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Plainclothesman means A police officer (especially a detective) who wears civilian clothes when on duty..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use plainclothesman where its definition matches the intended context.
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