hair

noun, often attributive
\ˈher \

Definition of hair 

1a : a slender threadlike outgrowth of the epidermis of an animal especially : one of the usually pigmented filaments that form the characteristic coat of a mammal

b : the hairy covering of an animal or a body part especially : the coating of hairs on a human head

2 : haircloth

3a : a minute distance or amount won by a hair

b : a precise degree aligned to a hair

4 obsolete : nature, character

5 : a filamentous structure that resembles hair leaf hair

in one's hair

: persistently and annoyingly in one's presence can't work with you in my hair all day

out of one's hair

: out of one's way : not in one's hair keep the children out of his hair for a while

Illustration of hair

Illustration of hair

hair 1a: 1 shaft, 2 sebaceous gland, 3 epidermis, 4 dermis, 5 hair follicle, 6 bulb, 7 papilla

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Other Words from hair

hairless adjective
hairlessness noun
hairlike \ -​ˌlīk \ adjective

Examples of hair in a Sentence

He plucked a hair from his arm. There are dog hairs all over my coat. The hair on her arms is blond. He has a lot of hair on his chest. He got his hair cut last week. He has a thick head of hair. a balding man who is losing his hair He won the race by a hair. He was a hair off on the count.
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Recent Examples on the Web

Jayme is described as 5-feet (1.5 meters) tall and 100 pounds (45 kilograms), with strawberry-blond hair and green eyes. Fox News, "Sheriff: Missing Wisconsin teenager in danger, not a runaway," 16 Oct. 2018 Black holes with soft hair Hawking's final paper builds on that prior insight. Jennifer Ouellette, Ars Technica, "Stephen Hawking’s final paper published, tackles famous paradox," 11 Oct. 2018 So, most people only knew me as someone with long, bright-red hair. Eric Johnson, Recode, "The internet’s favorite Goop critic Dr. Jen Gunter says ‘medical conspiracy theories’ are running amok online," 20 Aug. 2018 Description: White, 6 feet 4 inches tall, 240 pounds, with brown hair and blue eyes. Lyndsay Winkley, sandiegouniontribune.com, "San Diego's Wanted: Possessing drugs for sale," 12 July 2018 Police described her as white with curly hair, 5-foot-7 and 130 pounds. Zaz Hollander, Anchorage Daily News, "Anchorage police say student intern from North Carolina found safe," 11 July 2018 Gomez was photographed in New York this morning smiling and wearing new hair extensions. Allie Jones, The Cut, "Is Selena Gomez Okay?," 10 July 2018 Celebrities like Colombian singer J. Balvin (far right, with green hair) drew chaotic crowds as fans jockeyed for autographs and selfies. Jacob Gallagher, WSJ, "I Witnessed the Future of Retail. I Didn’t Like What I Saw," 9 Nov. 2018 Chaeyoung debuted a carrot-orange dye job as Jeongyeon transformed into a brunette with mid-length hair. Lai Frances, Allure, "A Comprehensive Guide to the Evolution of Twice's Hair and Makeup," 6 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hair.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hair

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

History and Etymology for hair

Middle English, from Old English hǣr; akin to Old High German hār hair

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Learn More about hair

Dictionary Entries near hair

Haines

haing

Haiphong

hair

hair's breadth

hair ball

hairbeard

Statistics for hair

Last Updated

13 Nov 2018

Look-up Popularity

Time Traveler for hair

The first known use of hair was before the 12th century

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More Definitions for hair

hair

noun

English Language Learners Definition of hair

: a thin threadlike growth from the skin of a person or animal

: a covering or growth of hairs

: the covering of hairs on a person's head

hair

noun
\ˈher \

Kids Definition of hair

1 : a threadlike growth from the skin of a person or animal She pulled out a hair.

2 : a covering or growth of hairs I got my hair cut.

3 : something (as a growth on a leaf) like an animal hair

4 : a very small distance or amount I won by a hair.

Other Words from hair

haired \ ˈherd \ adjective a long-haired dog
hairless \ ˈher-​ləs \ adjective
hairlike \ -​ˌlīk \ adjective

hair

noun, often attributive
\ˈha(ə)r, ˈhe(ə)r \

Medical Definition of hair 

1 : a slender threadlike outgrowth of the epidermis of an animal especially : one of the usually pigmented filaments that form the characteristic coat of a mammal

2 : the hairy covering of an animal or a body part especially : the coating of hairs on a human head

Other Words from hair

hairlike \ -​ˌlīk \ adjective

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Comments on hair

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