gnaw

verb

gnawed; gnawing; gnaws

transitive verb

1
a
: to bite or chew on with the teeth
especially : to wear away by persistent biting or nibbling
a dog gnawing a bone
b
: to make by gnawing
rats gnawed a hole
2
a
: to be a source of vexation to : plague
anxiety always gnawing him
b
: to affect like gnawing
hunger gnawing her vitals
3

intransitive verb

1
: to bite or nibble persistently
gnawing at his underlip
2
: to produce an effect of or as if of gnawing
waves gnawing away at the cliffs
gnawer noun

Examples of gnaw in a Sentence

The dog was gnawing a bone. He nervously gnawed on his fingernails. Rabbits have gnawed at the hedge. Rabbits had gnawed a hole in the hedge.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Research has even proposed that the ability to butcher meat may have caused early humans to evolve smaller teeth and jaws than their chimpanzee relatives, who could easily gnaw on tough foods. Jack Knudson, Discover Magazine, 3 July 2025 His subject, Nandy told me, exhibited all the traits of an authoritarian personality: puritanical rigidity, a constricted emotional life, fear of his own passions, and an enormous ego that protected a gnawing insecurity. Andrew Marantz, New Yorker, 28 Apr. 2025 Tabo’s mother’s gnawing sense of guilt is fully parsed and inhabited, even as the murderous compulsion of her son is left untouched. Katie Kitamura, Harpers Magazine, 16 July 2025 For her part, Janney plays Macy with lots of warmth but also a gnawing sense of disappointment. Angie Han, HollywoodReporter, 13 June 2025 See All Example Sentences for gnaw

Word History

Etymology

Middle English gnawen, from Old English gnagan; akin to Old High German gnagan to gnaw

First Known Use

before the 12th century, in the meaning defined at transitive sense 1a

Time Traveler
The first known use of gnaw was before the 12th century

Browse Nearby Words

Cite this Entry

“Gnaw.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gnaw. Accessed 19 Aug. 2025.

Kids Definition

gnaw

verb
1
a
: to bite or chew with the teeth
especially : to wear away by repeated biting or nibbling
dog gnawing a bone
b
: to make by gnawing
rats gnawed a hole
2
a
: annoy, irritate
worry gnawed at me day and night
b
: to affect like gnawing
gnawing hunger
gnawer noun

More from Merriam-Webster on gnaw

Last Updated: - Updated example sentences
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