n. & v.
--n.
1. a dishonest or unprincipled person.
2 joc. a mischievous person, esp. a child.
3 (usu. attrib.) a a wild animal driven away or living apart from the herd and of fierce temper (rogue elephant). b a stray, irresponsible, or undisciplined person or thing (rogue trader).
4 an inferior or defective specimen among many acceptable ones.
--v.tr. remove rogues (sense 4 of n.) from.
Phrases and idioms:
rogues' gallery a collection of photographs of known criminals etc., used for identification of suspects.
Etymology: 16th-c. cant word: orig. unkn.