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
Tamra Judge steps up to the line and, like Judge Dredd with hair extensions, knocks down two dozen or so targets in 27 seconds, seemingly without missing a shot.
—
Peter Larsen, Oc Register, 27 Sep. 2025
For example, in the 19th century, Victorian hair wreaths (made from human hair) were all the rage throughout the country, said Savig.
—Ayana Archie, NPR, 27 Sep. 2025
In a social media statement, the Kauai Police Department noted Higashi has brown eyes and black hair.
—Jillian Frankel, PEOPLE, 27 Sep. 2025
And Maya’s father really struggled, as a single dad, to do her hair.
—David Fear, Rolling Stone, 27 Sep. 2025
See All Example Sentences for hair
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Peter Larsen, Oc Register, 27 Sep. 2025
For example, in the 19th century, Victorian hair wreaths (made from human hair) were all the rage throughout the country, said Savig.
—Ayana Archie, NPR, 27 Sep. 2025
In a social media statement, the Kauai Police Department noted Higashi has brown eyes and black hair.
—Jillian Frankel, PEOPLE, 27 Sep. 2025
And Maya’s father really struggled, as a single dad, to do her hair.
—David Fear, Rolling Stone, 27 Sep. 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 30 Sep. 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
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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