Definition of rogue

• n. - A vagrant; an idle, sturdy beggar; a vagabond; a tramp.
• n. - A deliberately dishonest person; a knave; a cheat.
• n. - One who is pleasantly mischievous or frolicsome; hence, often used as a term of endearment.
• n. - An elephant that has separated from a herd and roams about alone, in which state it is very savage.
• n. - A worthless plant occuring among seedlings of some choice variety.
• v. i. - To wander; to play the vagabond; to play knavish tricks.
• v. t. - To give the name or designation of rogue to; to decry.
• v. t. - To destroy (plants that do not come up to a required standard).