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
The Row co-founder was photographed on the New York City streets, showing off her warm red hair.
—
Charna Flam, PEOPLE, 20 Sep. 2025
He is described as 5’7″ and 185 pounds with black hair and brown eyes.
—Cailey Gleeson, jsonline.com, 20 Sep. 2025
All jawline and tawny hair, strapping, like he’s made of marble?
—Savannah Salazar, Vulture, 20 Sep. 2025
For hair, stylist Jaylin Seng says the look was all about sensuality and femininity, referencing Diana Ross and the designer, Kim Shui.
—Essence, 19 Sep. 2025
See All Example Sentences for hair
Examples are automatically compiled from online sources to
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Charna Flam, PEOPLE, 20 Sep. 2025
He is described as 5’7″ and 185 pounds with black hair and brown eyes.
—Cailey Gleeson, jsonline.com, 20 Sep. 2025
All jawline and tawny hair, strapping, like he’s made of marble?
—Savannah Salazar, Vulture, 20 Sep. 2025
For hair, stylist Jaylin Seng says the look was all about sensuality and femininity, referencing Diana Ross and the designer, Kim Shui.
—Essence, 19 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 21 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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