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

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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

Ravens backup quarterback Robert Griffin III suffered a hairline fracture in his thumb during practice on Saturday, according to ESPN's Adam Schefter. Jenna West,, "Report: Ravens' Robert Griffin III Fractures Thumb, Expected to Miss 4-8 Weeks," 27 July 2019 Internet comments savagely roast her receding hairline. Terry Nguyen, Washington Post, "If you’re 7 years old, JoJo Siwa is the most famous person in the world," 22 July 2019 Men are now feeling dissatisfied not only with their muscles, but also their hairline, wrinkles, and body fat—and a heavy cultural and commercial promotion of unrealistic appearance standards is to blame. Glen Jankowski, Quartzy, "An epidemic of body shaming is taking its toll on men’s mental health," 11 July 2019 In January 2018 Cauley-Stein showed up for a game with 3 P’s tattooed on the left side of his forehead just below his hairline. Gary Peterson, The Mercury News, "5 things to know about new Warrior Willie Cauley-Stein, including the 3 P’s on his forehead," 3 July 2019 Then, do two easy braids, Pippi Longstocking-style, angling backward to create tension along the hairline. Blake Bakkila, Good Housekeeping, "How to Wear a Headband (and Still Look Like an Adult)," 4 June 2019 In the ensuing 19 years, Woods’ body has been battered and surgically repaired, equipment has improved and his hairline is receding. Reuters, The Mercury News, "Nineteen years later, Tiger Woods returns to the place it all began," 11 June 2019 Miranda Sings actress Colleen Ballinger is trading her garishly-overdrawn red lipstick and signature crazy-eyed stare for a diner apron and hairline mic to portray Dawn Williams on the Broadway stage in Sara Bareilles’ hit musical Waitress. Lexi Vollero,, "Miranda Sings actress Colleen Ballinger to make Broadway debut in Waitress," 8 June 2019 The irregular dark shape that runs up the middle is Burchartz’s hairline. William Meyers, WSJ, "‘Beyond Truth: Photography After the Shutter’ Review: The Ever-Evolving Image," 23 Feb. 2019

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.

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First Known Use of hairline

1846, in the meaning defined at sense 1

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Dictionary Entries near hairline


hair kiln



hair man

hair moss

hair moth

Statistics for hairline

Last Updated

10 Aug 2019

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Time Traveler for hairline

The first known use of hairline was in 1846

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English Language Learners Definition of hairline

: a thin line or crack
: the line where your hair starts on your forehead


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

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More from Merriam-Webster on hairline

Rhyming Dictionary: Words that rhyme with hairline

Thesaurus: All synonyms and antonyms for hairline

Spanish Central: Translation of hairline

Nglish: Translation of hairline for Spanish Speakers

Comments on hairline

What made you want to look up hairline? Please tell us where you read or heard it (including the quote, if possible).


a period when something is suspended

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