I. ˈrōg noun
Etymology: origin unknown
Date: 1561
1. : vagrant , tramp
2. : a dishonest or worthless person : scoundrel
3. : a mischievous person : scamp
4. : a horse inclined to shirk or misbehave
5. : an individual exhibiting a chance and usually inferior biological variation
• rogu·ish ˈrō-gish adjective
• rogu·ish·ly adverb
• rogu·ish·ness noun
II. intransitive verb
( rogued ; rogu·ing or rogue·ing )
Date: 1766
: to weed out inferior, diseased, or nontypical individuals from a crop plant or a field
III. adjective
Date: 1872
1. : resembling or suggesting a rogue elephant especially in being isolated, aberrant, dangerous, or uncontrollable
capsized by a rogue wave
2. : corrupt , dishonest
rogue cops
3. : of or being a nation whose leaders defy international law or norms of international behavior
rogue states