Find the word definition

Longman Dictionary of Contemporary English
plain-clothes
adjective
EXAMPLES FROM CORPUS
▪ She started to strip off, all hell broke loose and he bolted while plain-clothes officers moved in to stage a cover-up.
Wiktionary
plain-clothes

a. (alternative spelling of plain clothes English)

Usage examples of "plain-clothes".

Speaking to Mary, Hardanger and a plain-clothes constable by the name of Johnson.

Watergate story had happened at the very beginning -- when the burglars were caught in the act by a squad of plain-clothes cops with drawn guns -- and that happened so fast that there was not even a still photographer on hand, much less a TV camera.

Scattered among the dockworkers and tourists, he spotted plain-clothes detectives trying to look unobtrusive.

A prowl car Was at the building within moments, and Chief Collig arrived a few minutes later, accompanied by a plain-clothes detective.

Malone had put on his hat, a grey-green pork-pie that, if elderly crims had walked by, or even his father, would have identified him as a plain-clothes man of the late 1940s.

The plain-clothes detective who had been driving the car, the one who looked like a Hereford bull with his curly poll and his broad head, pushed his car coat up to scratch his backside, said something to his colleague, then started towards her front door, his eyes seeming to meet hers in the darkness.

Seeing her divested of her plain-clothes policewoman suits and leisure attire colour schemes that forced Parlabane to avert his eyes, he was able to appreciate Jenny's athletic shape, but was slightly concerned that - as he was only wearing a towel - his appreciation might start to show.

A plain-clothes sergeant and the two night watchmen gave him a quick fill-in.

They were okaying people who entered, it was apparent, when one of the plain-clothes sleuths came over and stopped Doc and Renny.

Without Harry Kelly, I would most likely have been in prison at that moment-or in a preventive detention apartment with federal plain-clothes guards standing watch at the doors and windows.

There were a couple of young, denimed Special Branch officers in the queue for the rock concert, and plain-clothes police in cars parked at the junction with Watson Street and in the square at the other end of Peter Street.