rogue
1. rogue \'ro-g\ \'ro--gish\ n [origin unknown] 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 usu. inferior biological variation - rogu.ish aj
2. rogue vi or rogu.ing or rogue.ing : to weed out inferior, diseased, or
nontypical individuals from a crop p lant or a field
3. rogue aj of an animal : being vicious and destructive {~ otter}
Webster's English Dictionary