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• ken
  ken

  noun

  knowledge, understanding, or cognizance; mental perception.
• Ken
  Ken

  noun

  a male given name, form of Kendall or Kenneth.
• Ken.
  Ken.

  abbreviation

  Kentucky.

ken

¹ American  

[ken] / kɛn /

noun

1. knowledge, understanding, or cognizance; mental perception.

   an idea beyond one's ken.

2. range of sight or vision.

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verb (used with object)

• kens,
  present (3rd person singular)
• kenned,
  past participle,  past
• kent,
  past participle,  past (Archaic)
• kenning
  present participle

1. Chiefly Scot.

   1. to know, have knowledge of or about, or be acquainted with (a person or thing).

   2. to understand or perceive (an idea or situation).

2. Scots Law. to acknowledge as heir; recognize by a judicial act.

3. Archaic. to see; descry; recognize.

4. British Dialect, Archaic.

   1. to declare, acknowledge, or confess (something).

   2. to teach, direct, or guide (someone).

verb (used without object)

• kens,
  present (3rd person singular)
• kenned,
  past participle,  past
• kent,
  past participle,  past (Archaic)
• kenning
  present participle

1. British Dialect.

   1. to have knowledge of something.

   2. to understand.

Ken ² American  

[ken] / kɛn /

noun

1. a male given name, form of Kendall or Kenneth.

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Ken. ³ American  

abbreviation

1. Kentucky.

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ken ¹ British  

/ kɛn /

noun

1. range of knowledge or perception (esp in the phrases beyond or in one's ken )

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verb

1. dialect to know

2. dialect to understand; perceive

3. archaic (tr) to see

Ken. ² British  

abbreviation

1. Kentucky

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Other Word Forms

Inflected Forms

Participles

• kenning
  present
• kenned
  past
• kent
  past

Conjugated Forms

Present

• ken
  simple
• kens
  simple
• have kenned
  perfect
• have kent
  perfect
• has kenned
  perfect
• has kent
  perfect
• am kenning
  progressive
• are kenning
  progressive
• is kenning
  progressive
• have been kenning
  perfect progressive
• has been kenning
  perfect progressive

Past

• kenned
  simple
• kent
  simple
• had kenned
  perfect
• had kent
  perfect
• was kenning
  progressive
• were kenning
  progressive
• had been kenning
  perfect progressive

Future

• will ken
  simple
• will have kenned
  perfect
• will have kent
  perfect
• will be kenning
  progressive
• will have been kenning
  perfect progressive

Etymology

Origin of ken

First recorded before 900; Middle English kennen “to make known, see, know,” Old English cennan “to make known, declare”; cognate with Old Norse kenna, German kennen; akin to can ¹, know ¹ ( def. )

Explanation

The noun ken means "range of vision or comprehension." If quantum mechanics is beyond your ken, you don't understand it, or it is beyond your scope of knowledge. Ken is rarely used today outside of the phrase, "beyond one's ken." It goes all the way back, however, to Proto Indo-European, the reconstructed ancestor of most European, Near Eastern, and South Asian languages. Coming from the root *gno- "to know," ken has many relatives in modern English such as incognito, cunning, and know itself.

Example Sentences

See Examples For:

ken Ken Ken. kens kenned kent kenning

Sometimes, you just have to accept that you’re talking to an expert who is speaking in terms beyond your ken.

From Salon ● Jul. 23, 2026

Having stakes in four of the “Magnificent Seven” Big Tech stocks might not seem like strategy beyond the ken of the ordinary investor.

From Barron's ● May 15, 2026

Most of which would have been beyond the ken of the most daring 19th-century Scandinavian dramatist.

From The Wall Street Journal ● Oct. 28, 2025

When Mani audited a course on theoretical physics, it was generally assumed that the material would be "beyond her ken", Sur observes.

From BBC ● Dec. 7, 2023

Cain watches Marcus, and the Augur’s head is tilted as if he’s listening to something beyond our ken.

From "An Ember in the Ashes" by Sabaa Tahir

And just as importantly – how many people, let alone children, know or care who Ken Griffin is?

From Salon ● Aug. 23, 2026

Ken Dychtwald, the 76-year-old co-founder and CEO of the AgeWave consulting and research firm, said one challenge as you turn the corner into your 70s is asking yourself: “Is this an ascent or a descent?”

From MarketWatch ● Aug. 23, 2026

The board brought him in for the job after a failed external search to replace Ken Lewis, who resigned under fire.

From The Wall Street Journal ● Aug. 17, 2026

Ken Boulay, the CEO of the Turtle Island Restoration Network, said it’s time to move forward and imagine what the park could be like without cattle and private ranches.

From Los Angeles Times ● Aug. 16, 2026

By the time the three girls and Marshall squeezed through the fence to Egypt, where Ken and Toby were already waiting, a great deal of the necessary background material was already beginning to take shape.

From "The Egypt Game" by Zilpha Keatley Snyder

Ringo chants “Merry Christmas” alternating with “Magic Christian,” and then you hear him say, “It’s just a plug for the film, Ken. Try and keep it on.”

From Salon ● Dec. 23, 2025

"I haven't got a Ken. I think I would be a tough person to live with, so I'm quite happily living on my own with all my stuff," she said.

From BBC ● Sep. 8, 2023

“I even told that to Ken. He said, ‘Have you ever made a game before?’

From Los Angeles Times ● Aug. 25, 2022

“Hey, Ken. Sorry, go ahead,” he recalls hearing.

From The Wall Street Journal ● Nov. 12, 2018

This was originated by the Software Support group at Symbolics because the two greatest flamers in the user community were both named Ken. :kgbvax: /K-G-B'vaks/ /n./

From The Jargon File, Version 4.0.0, 24 Jul 1996 by Eric S. Raymond

Gunn explains that he wanted to allow himself artistic license, given that Jamie and Claire are well funded and Claire kens the future.

From Los Angeles Times ● Mar. 27, 2022

The proprietors of the padding kens were on the payroll, as were the managers of "baby farms."

From Time Magazine Archive

Rebecca read steel cost sheets by sunlight and Shakespeare by candlelight, in 22 years won fame & fortune for herself and Lu kens.

From Time Magazine Archive

“Aye, it is sad. But he kens the difference yet of right and wrong.”

From "The Once and Future King" by T. H. White

“Aye, uncle, and every man kens fine how you have tried. But that dinna alter the truth, that we both desire at heart she may come safe.”

From "The Once and Future King" by T. H. White

"You seem to be kenned here," I observed when my breath had caught up with me.

From "The Shakespeare Stealer" by Gary L. Blackwood

I never kenned a lad that I entertained a higher regard for than Thomas Elliot.

From Wilson's Tales of the Borders and of Scotland Volume 15 by Various

But I have kenned such a power o’ mockery give great pain to others, and bring great suffering sooner or later on those that had it.

From The Twa Miss Dawsons by Margaret M. (Margaret Murray) Robertson

Ye kenned na whether he laughed or frowned, or promised or threatened.

From Trevethlan: (Vol 2 of 3) A Cornish Story. by William Davy Watson

But I never telled him sae," he would conclude; "oh, no, Saunders kenned better.

From A Tatter of Scarlet Adventurous Episodes of the Commune in the Midi 1871 by S. R. (Samuel Rutherford) Crockett

Especially, ask about local varieties, from keswick codlin and worcester pearmain to cornish aromatic and beauty of kent.

From The Guardian ● Oct. 9, 2019

An I had kent what I ken now,25 I'd never crosst the water Tay, But stayed still at Athole's gates;— He would have made me his lady gay.

From English and Scottish Ballads, Volume IV by Various

Ah, Lamb, wi' a' his bonny, bairn-like humour and simplicity," said Sandy, "is but a Cockney feelosopher after a', and kent naething o' the matter.

From Wilson's Tales of the Borders and of Scotland Volume 12 by Various

And weel he kent that ladye fair45 Amang her maidens free; For the flower that springs in May morning Was not sae sweet as she.

From English and Scottish Ballads (volume 3 of 8) by Various

These things were inexpressibly painful to her; she loved approbation; the society and sympathy of "kent folk," whose traditions corresponded with her own; but her hand was on the plough; there was no turning back.

From Julia Ward Howe 1819-1910 by Maud Howe Elliott

"An' fat the better wad you be for the kenning o' this, man?" said he.

From The Private Memoirs and Confessions of a Justified Sinner by James Hogg

You’ll scorn me, as I often scorn myself: But, kenning the worst, in my heart of hearts, I hanker ...

From Krindlesyke by Wilfrid Wilson Gibson

The antiquity of part at least of this story is proved by the kenning “Hagbard's collar” for halter, in a poem probably of the tenth century.

From The Edda, Volume 2 The Heroic Mythology of the North, Popular Studies in Mythology, Romance, and Folklore, No. 13 by L. Winifred Faraday

But at last a tame raven, kenning him as he put forth his head, gave him such a severe stroke with his horny beak as put out one eye.

From The Natural History of Selborne by Gilbert White

Draupnir's beautiful blood, a kenning for 'gold rings.'

From Stories and Ballads of the Far Past Translated from the Norse (Icelandic and Faroese) with Introductions and Notes by Nora Kershaw