clothing other than one’s uniform, especially civilian clothes worn on duty by a police officer.
“ordinary dress” (as opposed to military uniform), 1822; of police detectives, it is attested from 1842. Also plainclothes.
noun 1. direct and honest conduct in one’s relations and transactions with others.
[pleyn-klohz-muh n, -man, -klohth z-] /ˈpleɪnˈkloʊz mən, -ˌmæn, -ˈkloʊðz-/ noun, plural plainclothesmen [pleyn-klohz-muh n, -men, -klohth z-] /ˈpleɪnˈkloʊz mən, -ˌmɛn, -ˈkloʊðz-/ (Show IPA) 1. a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
[pleyn] /pleɪn/ verb (used without object), British Dialect. 1. to complain. /pleɪn/ adjective 1. flat or smooth; level 2. not complicated; clear: the plain truth 3. not difficult; simple or easy: a plain task 4. honest or straightforward 5. lowly, esp in social rank or education 6. without adornment or show: a plain coat 7. […]
[pleyn] /pleɪn/ adjective, plainer, plainest. 1. clear or distinct to the eye or ear: a plain trail to the river; to stand in plain view. 2. clear to the mind; evident, manifest, or obvious: to make one’s meaning plain. 3. conveying the meaning clearly and simply; easily understood: plain talk. 4. downright; sheer; utter; self-evident: […]