hair·​line | \ ˈher-ˈlīn How to pronounce hairline (audio) \

Definition of hairline

1 : a very slender line: such as
a : a tiny line or crack on a surface a hairline bone fracture
b : a fine line connecting thicker strokes in a printed letter
3a : a textile design consisting of lengthwise or crosswise lines usually one thread wide
b : a fabric with such a design
4a : the outline of scalp hair especially on the forehead
b : the way the hair frames the face

Other Words from hairline

hairline adjective

Examples of hairline in a Sentence

The plate had a hairline running across it. He has a receding hairline.
Recent Examples on the Web Trevor Story won’t swing a bat for the next two weeks after a hairline fracture was discovered in his right wrist ... Amin Touri,, 31 July 2022 The treatment is also created for daily use, and is massaged directly on the scalp, starting at the natural part and along the hairline. Tiffany Dodson, Harper's BAZAAR, 26 Apr. 2022 Traction alopecia and alopecia areata can both cause loss of hair along the hairline. Aley Arion, Essence, 1 Apr. 2022 However, depending upon healing, a scar may be temporarily visible along the hairline. Adam Hurly, Robb Report, 20 Dec. 2021 Normal settling may result in a few visible hairline cracks but is no cause for concern. Robby Brown, Forbes, 15 July 2022 Small hairline cracks can sometimes result from settling, for instance. Tribune News Service, al, 7 June 2022 Androgenic alopecia typically manifests as hairline recession or thinning on the crown, specifically. Melanie Rud, SELF, 26 May 2022 Over three days of direct examination, Heard’s attorneys presented a series of photos that showed marks on her arms, as well as bruises on her face and hairline. Gene Maddaus, Variety, 16 May 2022 See More

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

First Known Use of hairline

1846, in the meaning defined at sense 1

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Time Traveler for hairline

Time Traveler

The first known use of hairline was in 1846

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hair man

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Statistics for hairline

Last Updated

12 Aug 2022

Cite this Entry

“Hairline.” Dictionary, Merriam-Webster, Accessed 13 Aug. 2022.

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More Definitions for hairline


hair·​line | \ -ˈlīn How to pronounce hairline (audio) \

Medical Definition of hairline

: the outline of scalp hair especially on the forehead

Other Words from hairline

hairline adjective

More from Merriam-Webster on hairline

Nglish: Translation of hairline for Spanish Speakers


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