<p><strong>Adjective</strong></p><ul><li>not longer obedient, belonging, or accepted and hence not controllable or answerable; renegade: They described him as a rogue cop who had abandoned his training.</li><li>dangerous and unpredictable: They were trapped in the house by a rogue snowstorm.</li><li>of or noting a nation or state that defies international treaties, laws, etc.: The blame is placed on rogue states that threaten world peace.</li><li>(of an animal) having an abnormally violent or unpredictable disposition: She helped trap a rogue tiger terrorizing the village.</li></ul><p><strong>Noun</strong></p><ul><li>a dishonest, untrustworthy person; scoundrel: We were traveling in secret to avoid running into rogues and thieves.</li><li>Synonyms: swindler, quack, mountebank, cheat, trickster, villain</li><li>a playfully mischievous person; scamp: The youngest boys are little rogues.</li><li>Archaic: a tramp or vagabond.</li><li>an animal having an abnormally violent or unpredictable disposition.</li><li>Biology: a usually inferior organism, especially a plant, varying markedly from the normal.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>rogued, roguing: to uproot or destroy (plants that do not conform to a desired standard): Usually, roguing the diseased plants is sufficient to minimize further spread.</li><li>to perform this operation upon: to rogue a field.</li><li>to cheat.</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>rogued, roguing: to live or act as a scoundrel, vagabond, or scamp.</li></ul>