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gnaw

American  
[naw] / nɔ /

verb (used with object)

  • gnaws,
    present (3rd person singular)
  • gnawed,
    past
  • grawed,
    past participle
  • gnawn,
    past participle (Archaic)
  • gnawing
    present participle
  1. An image of the word gnaw as defined by to bite or chew on, especially persistently.

    to bite or chew on, especially persistently.

  2. to wear away or remove by persistent biting or nibbling.

  3. to form or make by so doing.

    to gnaw a hole through the wall.

  4. to waste or wear away; corrode; erode.

  5. to trouble or torment by constant annoyance, worry, etc.; vex; plague.


verb (used without object)

  • gnaws,
    present (3rd person singular)
  • gnawed,
    past
  • grawed,
    past participle
  • gnawn,
    past participle (Archaic)
  • gnawing
    present participle
  1. to bite or chew persistently.

    The spaniel gnawed happily on a bone.

  2. to cause corrosion.

    The acid gnaws at the metal.

  3. to cause an effect resembling corrosion.

    Her mistake gnawed at her conscience.

gnaw British  
/ nɔː /

verb

  1. to bite (at) or chew (upon) constantly so as to wear away little by little

  2. (tr) to form by gnawing

    to gnaw a hole

  3. to cause erosion of (something)

  4. to cause constant distress or anxiety (to)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. the act or an instance of gnawing

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future


Etymology

Origin of gnaw

before 1000; Middle English gnawen, Old English gnagen; cognate with German nagen, Old Norse gnāga


Explanation

To gnaw is to bite or chew. Your favorite food might be corn on the cob, because you love to gnaw along each row of kernels. To gnaw also means to deteriorate or wear away as if by gnawing with the teeth. In Arches National Park, the weather has gnawed away at the rocks creating beautiful formations like arches, bridges, and balanced rocks. In this sense, to gnaw can be used even more figuratively. Something might gnaw at the back of your mind — something you were supposed to do, although now you can't quite remember what it was.

Keep Reading on Vocabulary.com

Vocabulary lists containing gnaw

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

What’s missing, and might well gnaw at a viewer, is whether regenerative farming can feed the world.

From The Wall Street Journal ● Jun. 2, 2026

They hadn’t forced a takeaway in three weeks, a drought that was beginning to gnaw at the players.

From Los Angeles Times ● Dec. 1, 2024

While beetles gnaw away and burrow through the phloem under the trees' bark, the much smaller, flightless adelgid sucks out the trees' fluids and leaves behind a toxic saliva.

From Science Daily ● May 14, 2024

Then, unprompted, Kravchenko started to talk about his own future, a subject that must gnaw at so many minds after months spent in constant danger.

From BBC ● Feb. 23, 2024

I gnaw at my lip—she doesn’t get it, I can tell, so I keep going.

From "Blended" by Sharon M. Draper

Artificial intelligence could be the boogeyman that gnaws at market share.

From Barron's ● Feb. 4, 2026

One man gnaws at a fleshless bone, clearly desperate for food.

From BBC ● Jan. 25, 2025

Yet there’s still something that gnaws at James, a player willing to grab ahold at whatever slight he can as he tries to stay motivated as his NBA career nears completion of a second decade.

From Los Angeles Times ● Mar. 6, 2022

My generation — like the children and the families who survived the most recent fire — knows the fear that gnaws at us at night.

From New York Times ● Jan. 20, 2022

A bottomless chasm of insecurity and self-doubt that gnaws at them.

From "The Other Wes Moore: One Name, Two Fates" by Wes Moore

At the same time, concerns that gnawed at investors before the beginning of the war haven’t disappeared, either.

From The Wall Street Journal ● Mar. 31, 2026

He frustratedly gnawed on a piece of gum as he trotted back to the dugout.

From Los Angeles Times ● May 9, 2025

But like a million or so others in the UK, she succumbed to a disease that gnawed at her personality and cognition until it consumed her ability to function at all.

From BBC ● Oct. 10, 2024

When she was a vegan-curious teenager, it gnawed at her that giving up animal products could mean sacrificing sports.

From Salon ● Jul. 15, 2024

He was clumsy and tired and hungry enough that he would have gladly gnawed the leather off his boot.

From "Six of Crows" by Leigh Bardugo

As he wrote, “the body of the charter has been unfortunately gnawn by rats” — a comment that carries grim symbolism today, as we take up the task the rats left unfinished.

From Salon ● Jul. 23, 2012

Nor could they find a bundle in a handkerchief, which they would have gnawn through speedily.

From The Open Air by Richard Jefferies

Thy pleasant gardens which were round about thee; ... the ravenous wolf hath gnawn at the roots, and the trees can yield thee no fruit.

From The Moors in Spain by Stanley Lane-Poole

He has gnawn off all the best mouthfuls already.

From Jacques Bonneval by Anne Manning

Well, in attendance on my liege, your lord, I crossed the plain to its utmost margin, where The corse of Polyneices, gnawn and mauled, Was lying yet.

From Oedipus Trilogy by Francis Storr

Iss fay, I've grawed to b'lieve truly our Joan was saved, spite of all.

From Lying Prophets by Eden Phillpotts

But I be a grawed wummon now—an' yet caan't feel it so—not yet.

From Lying Prophets by Eden Phillpotts

Time was when we thought alike touching the bwoy; now we doan’t; ’cause your knowledge of un hasn’t grawed past the point wheer he downed us, an’ mine has.”

From Children of the Mist by Eden Phillpotts

He rambled in his speech a while; then went mute again, wi' a new look in his eyes as though he'd grawed so auld as history in a single night.

From Lying Prophets by Eden Phillpotts

An' from bein' a puny cheel I grawed a bonny wan arter dipping.

From Lying Prophets by Eden Phillpotts

Riffing on the human need for emotional engagement through the arts with such venom is not just a slap in the face; it’s evidence of Iñárritu’s gnawing insecurities.

From Salon ● Oct. 5, 2026

For Lee, the sting of rejection gave way to a gnawing fear that she would end up struggling for money until she died.

From The Wall Street Journal ● Aug. 20, 2026

Citrus greening disease is caused by a bacterial infection that is delivered by the gnawing of the Asian citrus psyllid.

From Slate ● Apr. 20, 2026

Since our grief is less of a ready-made commodity lately, we can reorient it around ourselves, a little safer and more sovereign from the gnawing public gaze.

From Los Angeles Times ● Mar. 4, 2026

“But his dæmon kept gnawing at her leg,” said Asta.

From "The Book of Dust: La Belle Sauvage" by Philip Pullman

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