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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. 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

Outside, beavers gnaw at the vegetation around the chilly waters.

From Los Angeles Times ● Nov. 15, 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

The zoo said: "During the count, Crispin and Zac, the Zoo's two boisterous Sumatran tiger cubs, quickly turned the register in their enclosure into a toy, dragging it away to gnaw on."

From BBC ● Jan. 3, 2024

In the end she could not choose and asked Beowulf to gnaw marks into a pair of acorns so that she might roll them as dice and decide that way.

From "The Unseen Guest" by Maryrose Wood

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

From Barron's ● Feb. 4, 2026

"Hunger is not something you can ignore or put out of your mind, it gnaws at your insides with increasing intensity," she continued, adding that hunger is particularly disruptive for children.

From BBC ● Nov. 19, 2025

The creature lifts its head, nearly dainty in scale, and contentedly gnaws a mouthful of ferns.

From Los Angeles Times ● Nov. 15, 2024

He’s a good physical comedian, especially when he gnaws a breath mint like a bunny.

From New York Times ● Mar. 16, 2023

The sister gnaws on a fingernail and nods.

From "The Inquisitor's Tale" by Adam Gidwitz

It is brutal talk, from a softly spoken man, but Brovdi refuses to be "gnawed by pity".

From BBC ● Apr. 27, 2026

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

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

Residents often make lightning visits south to survey the destruction, ranging from flattened houses to furniture gnawed to pieces by rats.

From New York Times ● Jun. 7, 2024

Then he mopped and polished and swept and scrubbed, while I nibbled and gnawed on my biscuit.

From "The World According to Humphrey" by Betty G. Birney

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

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

Yet her denunciations seemed prophetic: or rather were feeble descriptions of the excruciating pangs by which I am hourly gnawn!

From Anna St. Ives by Thomas Holcroft

Neither shrink thou at the gnawn tables that await thee; the fates will find a way, and Apollo aid thy call.

From The Aeneid of Virgil by Virgil

I was so confoundedly numbed and gnawn, between cold and hunger, that I don't think I could have remembered my father, I don't, faith! before I had recruited.

From The Wanderer (Volume 1 of 5) or, Female Difficulties by Fanny Burney

The “Marsh King” got up and said, “I allus telled yer yer must graw wool; but when you’ve grawed it, yer mustn’t sit on it, yer must sell it.”

From Tennyson and His Friends by Various

I hopes I'll hit so hard as faither hisself wan day, when I'm grawed.

From Lying Prophets by Eden Phillpotts

I’m grawed a auld, cold-hearted woman, wi’ a grey hair here an’ theer a’ready.”

From Children of the Mist by Eden Phillpotts

"It hurted my arm 'tween the shoulder an' elbow a lil bit at first, but I've grawed used to it now."

From Lying Prophets by Eden Phillpotts

I’m weary of you; I don’t fear you worse than a blind worm; but such as you are, you’ve grawed against me since my luck comed.

From Children of the Mist by Eden Phillpotts

And with the Dodgers comes a gnawing question: Are they bad for baseball?

From The Wall Street Journal ● Oct. 10, 2026

But that teaches another more cautionary lesson about collecting nemeses: Salieri never figured out how to channel his gnawing envy into motivation.

From Salon ● May 16, 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 it was made of heavy wire with a tough plastic coating, and though he kept gnawing for half an hour, it was too much for his teeth.

From "Z for Zachariah" by Robert C. O’Brien

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