gnaw
Americanverb (used with object)
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gnaws,
present (3rd person singular)
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gnawed,
past
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grawed,
past participle
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gnawn,
past participle (Archaic)
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gnawing
present participle
-
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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gnaws,
present (3rd person singular)
-
gnawed,
past
-
grawed,
past participle
-
gnawn,
past participle (Archaic)
-
gnawing
present participle
-
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
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
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
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
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
It is the three mistakes leading to a goal - the highest in the league - which will gnaw away, though.
From BBC ● Jan. 26, 2026
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
Only this time, instead of letting the anxiety gnaw at her confidence, she accepted its presence, took a deep breath, and put on the kind of show that is hers and hers alone.
From Seattle Times ● Dec. 22, 2023
Siddhartha thought yearningly and bitterly about his son, nursed his love and feeling of tenderness for him, let the pain gnaw at him, underwent all the follies of love.
From "Siddhartha" by Hermann Hesse
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
It gnaws at you; it can feel like it takes up a lot of space and energy with no clear solution.
From Seattle Times ● Apr. 29, 2024
The problem gnaws at my brain during Spanish.
From "The Miscalculations of Lightning Girl" by Stacy McAnulty
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
Despite his obvious good looks and small-town charm, something suspicious gnawed at me.
From Los Angeles Times ● Feb. 27, 2026
Every run that Australia managed to eke out for their final wicket would have gnawed away at Bavuma who was, if we are being hypercritical, guilty of a slight captaincy misstep.
From BBC ● Jun. 13, 2025
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
When that was done, she sat next to Iorek Byrnison as he gnawed a haunch of reindeer that was frozen as hard as wood.
From "The Golden Compass" by Philip Pullman
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
On the east side a strange section of gray lava and ash is gnawn into caves.
From At Last by Charles Kingsley
Notandum, A rat had gnawn my spur-leathers; notwithstanding, I put on new, and did go forth: but first I threw three beans over the threshold.
From Volpone; Or, the Fox by Ben Jonson
I lay that’s why your darter’s cried o’ nights, then, an’ Chris have grawed sad an’ wisht in her ways, an’ mother have pet the bwoy wan moment an’ been short wi’ un the next.”
From Children of the Mist by Eden Phillpotts
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
"Then my work's the harder; but I'll find en, s'elp me God, even if us be grawed gray afore we meet."
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
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 Eden Phillpotts
He’s more comfortable in his Bed-Stuy apartment than at the Sunset Tower, exposed brick now behind him, his dog Wednesday nearby gnawing at her paw.
From Los Angeles Times ● Sep. 7, 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
Stomach gnawing and hands slightly shaky, I loaded up on ephemera for fancy paninis, held together with swipes of giardiniera mayo, and splurged on some pastel-hued botanical sodas for drinking straight from the can.
From Salon ● Jan. 1, 2026
Tried to do anything but think about his gnawing hunger for love.
From "The Undead Fox of Deadwood Forest" by Aubrey Hartman
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.
