rogue

1 of 3

adjective

1
: resembling or suggesting a rogue elephant especially in being isolated, aberrant, dangerous, or uncontrollable : one whose behavior is independent or atypical usually in a harmful way
It would be as if rogue road builders could invisibly detour every car heading for Dallas so that it ended up in San Francisco.Paul Wallich
And as the surf grew throughout the day, rogue waves often washed onto the beach to soak spectators.CBS News
2
: corrupt, dishonest
rogue cops
While they were expected to acquire multiple permits … seemingly rogue businesses were setting up shop right outside without much, if any, oversight.Sierra Lopez
3
: of or being a nation whose leaders defy international law or norms of international behavior
a rogue state/regime

rogue

2 of 3

noun

1
old-fashioned : a dishonest or worthless person : scoundrel
2
: a mischievous person : scamp
3
4
: a horse inclined to shirk or misbehave
5
: an individual exhibiting a chance and usually inferior biological variation
roguish adjective
roguishly adverb
roguishness noun

rogue

3 of 3

verb

rogued; roguing or rogueing

intransitive verb

: to weed out inferior, diseased, or nontypical individuals from a crop plant or a field
Phrases
go rogue or run rogue
: to begin to behave in an independent or uncontrolled way that is not authorized, normal, or expected
… Clark [a bald eagle] was supposed to fly around the stadium, high above people's heads. But instead, he went rogue and decided to perch on two unsuspecting fans.Nicole Gallucci
… the inmates have broken loose and are running rogue throughout the prison.Maggie McHale
Anders had been sent to the Amazon to monitor the program's progress under the formidable Dr. Annick Swensen (who may have gone rogue and is no longer returning the company's calls).Yvonne Zipp
Whenever a member of a group goes rogue, you can be absolutely certain that other members of that group will pop up with the "bad apple" defense, as in, "Well, sure, there's a few bad apples in every bunch, but that's the exception."Christine Flowers

Examples of rogue in a Sentence

Adjective Americans assume that our country was built by rogue males but there's more to the breed than wanderlust and rugged individualism. Florence King, National Review, 27 Aug. 2007
Perhaps more important, defense planners worried for the past year about the instability of the Soviet Union and the nightmare that a rogue Soviet submarine skipper might decide on his own to launch close to 200 warheads at U.S. targets. John Barry, Newsweek, 3 June 1991
In "The In-Laws," Alan Arkin is a dentist led astray by a rogue C.I.A. operative …, whose son his daughter is marrying, and he winds up dodging bullets on a Caribbean island. Terrence Rafferty, New Yorker, 30 July 1990
a rogue administrator who took bribes to falsify paperwork Noun Many of the vagabonds were rogues and cheaters of various kinds, and formed a subcommunity on the fringes of official society. Charles Barber, Early Modern English, 1976
Cartier decided that the two boys were a choice pair of rogues who would probably try to run him aground if taken as pilots, and that he would dispense with their services. Samuel Eliot Morison, The European Discovery of America, 1971
His account of their discoveries in the low life of a seaport town would have made a charming book, and in the various characters that came their way the student might easily have found matter for a very complete dictionary of rogues. W. Somerset Maugham, Moon and Sixpence, 1919
He's a lovable old rogue. a rogue who had nothing but contempt for people who made their living honestly
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Some, called rogue planets, don't even orbit a star, but rather are floating through the cosmos untethered. Eric Lagatta, USA Today, 30 Oct. 2025 My diagnosis of breast cancer hit me like a rogue wave. Marielle Segarra, NPR, 24 Oct. 2025
Noun
But China has not made such statements, and there’s still a risk that the two strongmen can’t see eye to eye or a rogue comment throws off the delicate detente. Simone McCarthy, CNN Money, 28 Oct. 2025 Then, that very same AI version of Stella went rogue during a press conference and revealed a bunch of her secrets to the press including her affair with her boss’s husband, Miles (Aaron Pierre). Jason P. Frank, Vulture, 22 Oct. 2025
Verb
Even audiences have been left guessing whether stuffy Henry was the criminal puppet master to rogue Interpol agent Martine (Nassima Benchicou). Bryan Alexander, USA Today, 18 Sep. 2025 Written for the home gardener and the more seasoned horticulturist alike, this book covers crop selection, pollination, roguing, and the processes of harvesting and storing seeds, honoring traditions, and encouraging a joy for understanding of the art and science of seed saving. Kristin Guy, Sunset Magazine, 28 Dec. 2023 See All Example Sentences for rogue

Word History

Etymology

Adjective

derivative of rogue entry 2

Noun

of obscure origin

Verb

derivative of rogue entry 2

First Known Use

Adjective

1835, in the meaning defined at sense 1

Noun

15th century, in the meaning defined at sense 3

Verb

1764, in the meaning defined above

Time Traveler
The first known use of rogue was in the 15th century

Browse Nearby Words

Cite this Entry

“Rogue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rogue. Accessed 6 Nov. 2025.

Kids Definition

rogue

1 of 2 noun
1
: a dishonest or worthless person
2
: a mischievous individual

rogue

2 of 2 adjective
1
: resembling or suggesting a rogue elephant in being isolated, dangerous, or uncontrollable
a rogue wave
2
: corrupt, dishonest
rogue cops
3
: of or being a nation whose leaders ignore international law
a rogue state

Geographical Definition

Rogue

geographical name

river about 200 miles (320 kilometers) long in southwestern Oregon rising in Crater Lake National Park and flowing west and southwest into the Pacific Ocean

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