gnaw
Americanverb (used with object)
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to bite or chew on, especially persistently.
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to wear away or remove by persistent biting or nibbling.
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to form or make by so doing.
to gnaw a hole through the wall.
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to waste or wear away; corrode; erode.
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to trouble or torment by constant annoyance, worry, etc.; vex; plague.
verb (used without object)
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to bite or chew persistently.
The spaniel gnawed happily on a bone.
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to cause corrosion.
The acid gnaws at the metal.
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to cause an effect resembling corrosion.
Her mistake gnawed at her conscience.
verb
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to bite (at) or chew (upon) constantly so as to wear away little by little
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(tr) to form by gnawing
to gnaw a hole
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to cause erosion of (something)
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to cause constant distress or anxiety (to)
noun
Other Word Forms
Derived Forms
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gnawernoun
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outgnawverb (used with object)
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undergnawverb (used with object)
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gnawableadjective
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gnawingadjective
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ungnawedadjective
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gnawinglyadverb
Inflected Forms
Participles
Conjugated Forms
Present
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gnawsimple
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gnawssimple
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have gnawnperfect
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have grawedperfect
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has gnawnperfect
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has grawedperfect
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am gnawingprogressive
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are gnawingprogressive
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is gnawingprogressive
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have been gnawingperfect progressive
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has been gnawingperfect progressive
Past
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gnawedsimple
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had gnawnperfect
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had grawedperfect
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was gnawingprogressive
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were gnawingprogressive
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had been gnawingperfect progressive
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.
Vocabulary lists containing gnaw
The Silent Treatment: Words Plagued by Silent Letters
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Unit 1: Telling Details
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
Where the Red Fern Grows
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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
And those spectacular surface catacombs and arches will collapse to leave extensive areas of submerged ice that will then rise up under their own buoyancy to gnaw away at the berg's edges.
From BBC ● Jan. 15, 2024
He saw that the metal chest was ringed with coyote prints and something had tried to gnaw the latch.
From "The House of the Scorpion" by Nancy Farmer
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
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
She’s the size of a tiger, and she gnaws on a bone big as she is.
From "The Manifestor Prophecy" by Angie Thomas
Sponsor Nike has even started to dress him in nice clothes, though I’m not sure what to do with that macrame-style warm-up jacket, which looks like it spent a winter getting gnawed by moths.
From The Wall Street Journal ● Jul. 12, 2026
As that protection is gnawed away, the nerves stop being able to send the signals that help people walk, talk, and think clearly, or use their hands normally.
From BBC ● May 29, 2026
Despite his obvious good looks and small-town charm, something suspicious gnawed at me.
From Los Angeles Times ● Feb. 27, 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
Uncle Dap gnawed the ends of his moustache, and wrung his hands.
From "The Once and Future King" by T. H. White
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
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 Lane-Poole, Stanley
Nor could they find a bundle in a handkerchief, which they would have gnawn through speedily.
From The Open Air by Jefferies, Richard
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 Burney, Fanny
The bones of the cutlets were decorated with pink frills- and yesterday he had gnawn ham from the bone!
From Jacob's Room by Woolf, Virginia
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 Phillpotts, Eden
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 Phillpotts, Eden
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 Phillpotts, Eden
Pearls—pearls—pearls is on Tom, an' the sea creatures gives what they can, 'cause they knaw as he'd a grawed to be a man an' theer master.
From Lying Prophets by Phillpotts, Eden
He ’s grawed to look nowadays as if his mouth allus had a sour plum in it.”
From Children of the Mist by Phillpotts, Eden
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
Healthcare, housing, car payments, groceries and energy bills are the costs really gnawing at wallets, according to an analysis from the trade organization.
From MarketWatch ● Mar. 19, 2026
AI could be one, as well: The very thing powering the stock market to records might be gnawing away at Americans’ sense of well being.
From The Wall Street Journal ● Nov. 18, 2025
She kept gnawing on the cloth and looking at my face.
From "The Line Tender" by Kate Allen
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
