1. an unprincipled, deceitful, and unreliable person; a scoundrel or rascal.
2. one who is playfully mischievous; a scamp.
3. A wandering beggar; a vagrant.
4. A vicious and solitary animal, especially an elephant that has separated itself from its herd.
5. an organism, especially a plant, that shows an undesirable variation from a standard.
6. vicious and solitary. used of an animal, especially an elephant.
7. large, destructive, and anomalous or unpredictable: a rogue wave; a rogue tornado.
8. operating outside normal or desirable controls: "how could a single rogue trader bring down an otherwise profitable and well-regarded institution?” ( Saul Hansell).
9. to defraud.
10. to remove (diseased or abnormal specimens) from a group of plants of the same variety.
11. to remove diseased or abnormal plants.

1. A scoundrel, rascal or unprincipled, deceitful, and unreliable person.
2. A mischievous scamp.
3. A vagrant.
4. deceitful software pretending to be anti-spyware, but in fact being malicious software itself.
5. an aggressive animal separate from the herd, especially an elephant.
6. A plant that shows some undesirable variation.
7. vicious and solitary.
8. large, destructive and unpredictable.
9. deceitful, unprincipled.
10. to cull; to destroy plants not meeting a required standard. especially when saving seed, rogue or unwanted plants are removed before pollination.
11. to give the name or designation of rogue to; to decry.

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

1. to play the rogue; play knavish tricks.
2. to wander; tramp; play the vagabond.
3. to call (one) a rogue; denounce as a rogue; stigmatize as a cheat or impostor.
4. to cheat; injure by roguery.
5. to uproot or destroy, as plants which do not conform to a desired standard.
6. A vagrant; a sturdy beggar; a tramp.
7. A knave; a dishonest person; a rascal: applied generally to males.
8. A sly fellow; a wag.
9. A mischievous or playful person: applied in slight endearment to children or women. compare roguish, 3.
10. A rogue elephant (which see, under elephant).
11. A plant that falls short of a standard required by nurserymen, gardeners, etc.
12.
13. A bait, used in the sardine fishery, consisting of an oily dough made of the roe and entrails of codfish.

1. a deceitful and unreliable scoundrel