bristle

1 of 2

noun

bris·​tle ˈbri-səl How to pronounce bristle (audio)
: a short stiff coarse hair or filament
hog bristles
short bristle paint brushes
bristlelike adjective

bristle

2 of 2

verb

bristled; bristling ˈbris-liŋ How to pronounce bristle (audio)
ˈbri-sə-

transitive verb

1
: to furnish with short stiff coarse hairs or filaments : to furnish with bristles
2
: to make aggressive or angry : to make bristly : ruffle

intransitive verb

1
a
: to rise and stand stiffly erect
quills bristling
b
: to raise the bristles (as in anger)
a snarling, bristling dog
2
: to take on an aggressively defensive attitude (as in response to a slight or criticism)
he bristled at the accusations of corruption
3
a
: to be full of or covered with especially something suggestive of bristles
roofs bristled with chimneys
b
: to be full of something specified
book bristles with detail and ironyW. J. Broad

Examples of bristle in a Sentence

Noun a face covered with bristles the bristles of a brush Verb Electricity makes your hair bristle. a recent college grad thrilled to be starting a new life in a city bristling with possibilities
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.
Noun
The only thing left was to attach the bristle brush to the hose and get to cleaning. Nashia Baker, Architectural Digest, 2 Apr. 2025 Use lots of suds and a soft bristle brush to clean the frame, handlebars, wheels and saddle. George Petras, USA Today, 2 Apr. 2025
Verb
Other Cabinet members also reportedly have bristled at Musk’s power. Joe Battenfeld, Boston Herald, 13 Mar. 2025 This week, it was reported that Cabinet members, including Rubio, have bristled at some of the actions taken by Musk with the Department of Government Efficiency. Sandra Gonzalez, CNN, 9 Mar. 2025 See All Example Sentences for bristle

Word History

Etymology

Noun

Middle English bristil, from brust bristle, from Old English byrst; akin to Old High German burst bristle, and perhaps to Latin fastigium top

Verb

verbal derivative of bristle entry 1

First Known Use

Noun

14th century, in the meaning defined above

Verb

15th century, in the meaning defined at transitive sense 1

Time Traveler
The first known use of bristle was in the 14th century

Browse Nearby Words

Cite this Entry

“Bristle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bristle. Accessed 8 Apr. 2025.

Kids Definition

bristle

1 of 2 noun
bris·​tle ˈbris-əl How to pronounce bristle (audio)
: a short stiff hair or something like a hair
bristled
-əld
adjective
bristly
-(ə-)lē
adjective

bristle

2 of 2 verb
bristled; bristling -(ə-)liŋ How to pronounce bristle (audio)
1
: to rise up and stiffen like bristles
makes your hair bristle
quills bristling in all directions
2
: to show signs of anger
bristled at the insult
3
: to appear as if covered with bristles
a harbor bristling with the masts of ships
bristly
-(ə-)lē
adjective

Medical Definition

bristle

noun
bris·​tle ˈbris-əl How to pronounce bristle (audio)
: a short stiff coarse hair or filament

More from Merriam-Webster on bristle

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!