whisker

noun

whis·​ker ˈ(h)wi-skər 

1

a

: a hair of the beard

b whiskers plural

(1)

archaic : mustache

(2)

: the part of the beard growing on the sides of the face or on the chin

c

: hairbreadth

lost the race by a whisker

2

: one of the long projecting hairs or bristles growing near the mouth of an animal (such as a cat or bird)

3

: an outrigger extending on each side of the bowsprit to spread the jib and flying jib guys

—usually used in plural

4

a

: a shred or filament resembling a whisker

b

: a thin hairlike crystal (as of sapphire or copper) of exceptional mechanical strength used especially to reinforce composite structural material

whiskered

ˈ(h)wi-skərd 

adjective

whiskery

ˈ(h)wi-sk(ə-)rē 

adjective

Examples of whisker in a Sentence

He won the race by a whisker.

Recent Examples on the Web

Dome-shaped, like a furry armadillo, and ranging from the size of a large cat to a small border collie, raccoons sport a mask of black fur around their eyes surrounded by a halo of white, set above long thick whiskers. — Literary Hub, 15 July 2026

Step up your denim game with this wide-leg style, featuring a two-button waist closure, exposed seams down the front, whisker creases, and slant pockets. — Emily Weaver, PEOPLE, 12 July 2026

Still, McCollum and the Hawks have already agreed to a one-year, $21 million deal, though BORD$ values him just a whisker above the non-taxpayer MLE. — John Hollinger, New York Times, 26 June 2026

Rain streamed from their whiskers and soaked their tawny coats. — Sarah Kingdom, Forbes.com, 12 June 2026

Word History

Etymology

singular of whiskers mustache, from whisk entry 2

First Known Use

circa 1600, in the meaning defined at sense 1a

Phrases Containing whisker

• within a whisker of

Rhymes for whisker

• brisker

Kids Definition

whisker

noun

whis·​ker ˈhwis-kər 

ˈwis-

1

a

: a hair of the beard

b

plural : the part of the beard growing on the sides of the face or on the chin

2

: one of the long hairs or bristles growing near the mouth of an animal (as a cat or mouse)

whiskered

-kərd 

adjective