Collins English-English Dictionary

rogue [rəυg]

1. 1. n a dishonest or unprincipled person, esp a man; rascal; scoundrel

2. 2. n [often jocular] a mischievous or wayward person, often a child; scamp

3. 3. n a crop plant which is inferior, diseased, or of a different, unwanted variety

4. 4. n any inferior or defective specimen

5. 5. n (as modifier)

   rogue heroin

6. 6. n [archaic] a vagrant

7. 7. n an animal of vicious character that has separated from the main herd and leads a solitary life

8. 8. n (as modifier)

   a rogue elephant

9. 9. vt. [tr] to rid (a field or crop) of plants that are inferior, diseased, or of an unwanted variety

10. 10. vt. to identify and remove such plants

11. 11. vt. [Etymology] C16: of unknown origin; perhaps related to Latin rogare to beg