rogue

A scoundrel, rascal or unprincipled, deceitful, and unreliable person.

• And meet time it was, when yon usher, vinegar-faced rogue that he is, began to inquire what popish trangam you were wearing […]
• He had told more lies in his time, and undergone more baseness of stratagem in order to stave off a small debt, or to swindle a poor creditor, than would have sufficed to make a fortune for a braver rogue.

A mischievous scamp.

• Ah, you sweet little rogue, you!

A vagrant.

Malware that deceitfully presents itself as antispyware.

• Next, click the "Installed on" heading in the Windows 7 uninstaller to sort the list by date, and see if any programs have the same date and time stamps as your rogues.
• Now though researchers at Microsoft's Malware Protection Center are reporting a downward trend in the traffic generated by some of the most popular rogues over the past 12 months.

An aggressive animal separate from the herd, especially an elephant.

• If he is a rogue, and there's any truth to territoriality at all, we got a good chance of spotting him between Cape Scott and South Beach.

A horse, mule, or donkey that is difficult to control; a refractory horse, especially a racehorse.Australia

• The rogues among the horses and mules sought every chance to break the line and hide under shady trees where sweet grass grew.

A plant that shows some undesirable variation.

• Maintaining varieties also requires selection, however. It's usually referred to as culling or roguing. ...we examine the [plant] population and eliminate the occasional rogue.

A character class focusing on stealthy conduct.

• As a rogue, I weave together light and heavy attacks, sometimes holding a button longer to charge an attack and build up the stagger meter on an enemy.

Vicious and solitary.

• Mosquito. One lone rogue mosquito.

Large, destructive and unpredictable.broadly

Deceitful, unprincipled.broadly

• In the minds of Republican hard-liners, the "Silent Majority" of Americans who had elected the President, and even Nixon's two Democrat predecessors, China was a gigantic nuke-wielding rogue state prepared to overrun the free world at any m

Mischievous, unpredictable.

• Even without hovering drones, a lurking assassin, a thumping score and a denouement, the real-life story of Edward Snowden, a rogue spy on the run, could be straight out of the cinema. But, as with Hollywood, the subplots and exotic locatio

To cull; to destroy plants not meeting a required standard, especially when saving seed, rogue or unwanted plants are removed before pollination.

• Maintaining varieties also requires selection, however. It's usually referred to as culling or roguing. ...we examine the [plant] population and eliminate the occasional rogue.
• Our skill as roguers was being tested. After we had rogued a field the field was inspected and the potatoes classified Stock Seed, A, B or H. In those days, between Stock seed and Class A, there was £2 per ton of potatoes difference.

To cheat.datedtransitive

• And then to think that Mark should have rogued me of five shiners! He was clever—that's a fact.

To give the name or designation of rogue to; to decry.obsolete

• he Atheists may endeavour to rogue and ridicule all incorporeal Substance

To wander; to play the vagabond; to play knavish tricks.intransitiveobsolete

• if hee be but once so taken idlely roguing