Rogue

Noun

 * 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.

Adjective

 * 1)  Vicious and solitary.
 * 2)  Large, destructive and unpredictable.
 * 3)  Deceitful, unprincipled.

Verb

 * 1) cull, term used by gardeners, especially when saving seed, rogue or unwanted plants are removed before pollination.

Adjectives for Rogue
unconscionable; poor; drunken; damnable; false-hearted; cunning; dissentious; wenching; cowardly; fair-haired; little; consummate; unmitigated; tedious; pestilent; loitering; complete; overweening.

Verbs for Rogue
accuse—; apprehend—; deal with—s; denounce—; discomfit—; distrust—; punish—; quell—; rebuke—; reproach—; —baits; —beguiles; —deceives; —designs; —deviates ; —devises; —entices; —fools;  —foxes; —lures; —shirks; —swindles; — tricks.

Thesaurus
SOB, bad boy, balker, balky horse, bastard, blackguard, blighter, booger, bounder, buffoon, bugger, bum, cad, charlatan, cheat, churl, contumacious, creep, crock, cross-grained, crowbait, cur, cutup, dastard, devil, disobedient, dog, elf, enfant terrible, fractious, funmaker, garron, goat, good-for-nothing, hack, headstrong, hood, hoodlum, hooligan, imp, incorrigible, independent, intractable, jade, joker, jokester, jughead, knave, lawless, little devil, little monkey, little rascal, louse, minx, mischief, mischief-maker, miscreant, mountebank, nag, pixie, plug, practical joker, prankster, precious rascal, puck, rampageous, rapscallion, rascal, rat, recalcitrant, refractory, roarer, rosinante, rotter, rowdy, ruffian, scalawag, scamp, scapegrace, scoundrel, self-willed, shyster, sneak, spalpeen, stiff, stinker, strong-willed, swindler, trickster, uncontrollable, undisciplined, ungovernable, unmanageable, unpredictable, unrestrained, unruly, villain, wag, wastrel, whistler, wild, wretch

Etymology
rogue:, from rogre:, from  hrokr:

Derived terms

 * roguish
 * rogues' gallery


 * rogue state
 * rogue trader
 * rogue wave

Anagrams

 * rouge