Illustration of hair
- 1 shaft
- 2 sebaceous gland
- 3 epidermis
- 4 dermis
- 5 hair follicle
- 6 bulb
- 7 papilla
often attributive
1
2
3
a
: a minute distance or amount
won by a hair
b
: a precise degree
aligned to a hair
5
: a filamentous structure that resembles hair
leaf hair
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.
Recent Examples on the Web
This week’s incident marks the latest brazen escape from a Louisiana jail this year, after 10 inmates broke out of a New Orleans jail in a stunning overnight escape, using electric hair trimmers with multiple clipper blades to help cut their way through the cell walls.
—
Rebekah Riess, CNN Money, 6 Dec. 2025
Toward the end of the show, Sherman projected a PowerPoint video combining real footage and claymation, in which she’s seen in the nude—her bush enormous, her armpit hair kudzu-like, her vulva spread wide, and her labia lips, made of prosthetics, dangling nearly to her feet.
—Naomi Fry, New Yorker, 6 Dec. 2025
Testing red light therapy for hair loss feels a little like speed dating for your scalp.
—Polly Blitzer, Allure, 6 Dec. 2025
Mahmoud Hussain, a barber and first-wave Somali arrival in the 1990s, was cutting a child’s hair while a line of customers sat waiting outside.
—Michael Dorgan, FOXNews.com, 6 Dec. 2025
See All Example Sentences for hair
Examples are automatically compiled from online sources to
show current usage.
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Rebekah Riess, CNN Money, 6 Dec. 2025
Toward the end of the show, Sherman projected a PowerPoint video combining real footage and claymation, in which she’s seen in the nude—her bush enormous, her armpit hair kudzu-like, her vulva spread wide, and her labia lips, made of prosthetics, dangling nearly to her feet.
—Naomi Fry, New Yorker, 6 Dec. 2025
Testing red light therapy for hair loss feels a little like speed dating for your scalp.
—Polly Blitzer, Allure, 6 Dec. 2025
Mahmoud Hussain, a barber and first-wave Somali arrival in the 1990s, was cutting a child’s hair while a line of customers sat waiting outside.
—Michael Dorgan, FOXNews.com, 6 Dec. 2025
See All Example Sentences for hair
Cite this Entry
“Hair.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hair. Accessed 7 Dec. 2025.
Copy CitationKids Definition
hair
noun
ˈha(ə)r 
ˈhe(ə)r
1
a
: a slender threadlike growth from the skin of an animal
especially
: one that usually contains coloring and forms part of the characteristic coat of a mammal
b
: a covering or growth of hairs of an animal or a body part
2
: a tiny distance or amount
won by a hair
3
: a threadlike structure that resembles hair
leaf hairs
haired
adjective
ˈha(ə)rd,
ˈhe(ə)rd
hairless
adjective
ˈha(ə)r-ləs,
ˈhe(ə)r-
Medical Definition
hair
nounoften attributive
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
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