plain clothes
- noun
- /pleɪn kloʊðz/
- Adam Styler, plain-clothes cop, works narcotics in Queens.
- a man in plain clothes
- plain-clothes officers
- wearing plain clothes
I'm going to wear plain clothes, plain white T-shirt, jeans.
- I'm going to wear plain clothes, plain white T-shirt, jeans.
- And how can we change things, be it having them in plain clothes or, you know, or maybe having to do more outreach to those communities?
- And we were looking at this one place and they have plain clothes just like guards now with guns.
Examples
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I say again, there's a plain-clothes officer in the building!
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The police officer was working in plain clothes to blend in with the crowd.
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What are you doing in plain clothes?
-
The police were in plain clothes.
Blog text (34) -
Two men in plain clothes claiming to be police officers came to the victim's door.
Blog text (2) -
Detective Derm, 46, stands outside in plain clothes.
Fiction book (2000) -
An hour later, the door opened again and a tall man in plain clothes, whose face had been cut from a series of acute angles, entered.
Fiction book (2002) -
In the room at the police station, there was an inspector in plain clothes, a man of about forty years of age, slightly bald, with hard eyes.
Fiction book (2001) -
Cunningham was just glad he wore plain clothes and not a uniform and worked in Oxnard right now instead of L.A.
Fiction book (1993) -
Lena, the waitress, sits next to the plain-clothes cop who holds the indent-a-kit.
Fiction book (1991)
Synonyms
Everyday clothes you wear in public, not a uniform
Clothes that people who are not in the military or police wear
Ordinary clothes worn by people who are not soldiers, police, or religious leaders
Ordinary clothes worn instead of a uniform to avoid being recognized as a police officer
Everyday clothes that are not uniforms or work clothes
Antonyms
How Formal
Surface Forms
Morphology
The meaning 'ordinary clothing' is directly composed from 'plain' (simple, unembellished) + 'clothes' (wearable items), so a B1 learner who knows both words will readily infer the phrase refers to non‑special/ordinary dress. The specific pragmatic use for people who normally wear uniforms (e.g., police 'in plain clothes') is a predictable extension of 'plain' meaning 'not uniform' and thus does not make the expression idiomatic.
Etymology
Plain clothes comes from the idea that someone who usually wears a uniform puts on simple plain clothes so they do not stand out. That's why the term means 'ordinary clothing' worn by police or soldiers 'to blend in'.