hair

noun, often attributive
\ ˈher How to pronounce hair (audio) \

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 How to pronounce hairlike (audio) \ 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

In a recent Instagram post, the singer, 39, shared a photo of her eight-year-old daughter sporting a bright new look, alongside an image of Jessica Simpson dyeing the ends of her own daughter's hair. Zoya Ansari And Megan Thomas, CNN, "Pink dyes daughter's hair in support of Jessica Simpson's decision to do the same," 2 Aug. 2019 Ant stingers are slimmer than the width of a human hair. Sabine Galvis, Science | AAAS, "Slow-motion video reveals how ants deliver their painful venom," 2 Aug. 2019 Crosby has Type 2 diabetes and eight stents in his heart, and the famous Custer mustache and mane of hair are a billowy white. Globe Staff, BostonGlobe.com, "No Stills, no Nash, no Young — but a lot of Crosby," 31 July 2019 Her album is killing it, her hair is constantly changing colors, and her friendship with Justin Bieber is getting better by the minute. Carolyn Twersky, Seventeen, "Billie Eilish's Birth Chart Predicts Some "Mind Blowing" Projects in the Singer's Future," 29 July 2019 So were the visibly vain, checking their reflection in a store window, smoothing their hair or straightening their clothes. Paula Allen, ExpressNews.com, "San Antonio’s ‘sidewalk photographers’ captured Houston Street life," 27 July 2019 Marc Jacobs, fashion designer and aspiring driver, has always had a lustrous head of inky black hair. Liana Satenstein, Vogue, "Marc Jacobs Shares His Student ID Cards—and Voluminous Hair—From the Early ’80s," 26 July 2019 Alaska State Troopers have not said how Chynelle died, but the bruises on her face and the missing chunk of her thick hair suggested to her family that someone might have killed her. Kyle Hopkins, ProPublica, "Clergy Abused an Entire Generation in This Village. With New Traumas, Justice Remains Elusive.," 26 July 2019 The bill aims to ensure no employee can be fired or passed over for a job because of racially biased criticism of their hair. USA TODAY, "Penal farm to produce farm, music under the sea: News from around our 50 states," 16 July 2019

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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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 How to pronounce hair (audio) \

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