1
as in thin
being of less than usual width
a hairline crack in the mug, almost too small to notice, was enough to make the mug break when filled with hot tea
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in subtle
made or done with extreme care and accuracy
a hairline distinction between her rating of certain things as "necessary" and others as "absolutely necessary"
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in mathematical
meeting the highest standard of accuracy
an ultrasensitive telescope that requires hairline placement of the lenses
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Antonyms & Near Antonyms
as in inch
a very small distance or degree
the controversial measure passed by a hairline, the margin of victory being but a single vote
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of hairline
Dan Pompei, New York Times, 16 Mar. 2026
Hairstylist Coree Moreno used Briogeo Style + Treat™ Yuzu + Plum Oil Light Work Sculpting Crème along the braids and hairline to smooth flyaways and sculpt without weighing her hair down, smoothing the Arachne SmoothBoost Brush lightly over the finished style.
—Marci Robin, Allure, 15 Mar. 2026
Clinics compete on technique selection, donor-area preservation, hairline design, density planning, and the quality of follow-up.
—Connie Etemadi, Kansas City Star, 12 Mar. 2026
He’s haunted by the specter of aging — apparent in Styles’s fixating on wellness in interviews and roasting his own hairline on Brittany Broski’s Royal Court — and has hinted at private anguish over the death of One Direction’s Liam Payne.
—Craig Jenkins, Vulture, 6 Mar. 2026
See All Example Sentences for hairline
Noun
At 63, Flutie should have more lines on his face, more shadows around his eyes and more forehead between his hairline and eyebrows.
—Dan Pompei, New York Times, 16 Mar. 2026
Hairstylist Coree Moreno used Briogeo Style + Treat™ Yuzu + Plum Oil Light Work Sculpting Crème along the braids and hairline to smooth flyaways and sculpt without weighing her hair down, smoothing the Arachne SmoothBoost Brush lightly over the finished style.
—Marci Robin, Allure, 15 Mar. 2026
Clinics compete on technique selection, donor-area preservation, hairline design, density planning, and the quality of follow-up.
—Connie Etemadi, Kansas City Star, 12 Mar. 2026
He’s haunted by the specter of aging — apparent in Styles’s fixating on wellness in interviews and roasting his own hairline on Brittany Broski’s Royal Court — and has hinted at private anguish over the death of One Direction’s Liam Payne.
—Craig Jenkins, Vulture, 6 Mar. 2026
See All Example Sentences for hairline
Recent Examples of Synonyms for hairline
Adjective
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While that advice refers primarily to metal utensils, the same principles apply across materials, especially where thin construction can increase the risk of breakage.—
Darlin Tillery,
MSNBC Newsweek,
31 Mar. 2026
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Not only did that article form the basis of the film, but Lumet actually took the note and cast Pacino in the role of that dark, thin fellow.—
Chris Jones,
New York Daily News,
31 Mar. 2026
Adjective
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Another camera, an eye tuned to the subtle strangeness of an otherwise ordinary day—someone or something, somewhere, must have caught a glimmer of the truth.—
Vinson Cunningham,
New Yorker,
1 Apr. 2026
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Vice President Vance, who is considered an isolationist, expressed private skepticism ahead of the attacks, and his relative silence during the first weeks of the war was perceived as a subtle way of distancing himself from the conflict.—
Jonathan Lemire,
The Atlantic,
1 Apr. 2026
Adjective
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Breakthroughs in mathematical modeling, neural network design and sensor characterization will enable other low-power applications for these drones, such as environmental monitoring.—
Nitin Sanket,
The Conversation,
27 Mar. 2026
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About that same time, Chinese scholars were compiling the Jiuzhang Suanshu, a mathematical treatise focused on solving practical problems with computation.—
Ross Andersen,
The Atlantic,
27 Mar. 2026
Noun
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The victim suffered serious injuries to her right ear, right cheek and face, including a laceration that was about 6 inches long, officials said.—
Katie Houlis,
CBS News,
3 Apr. 2026
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Remember, as little as 6 inches of moving water can knock you off your feet.—
KANSAS CITY STAR WEATHER BOT,
Kansas City Star,
2 Apr. 2026
Adjective
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Plus Yosh Nijman, Ekwonu’s backup and the Panthers’ swing tackle, suddenly retired earlier this month — flinging the Panthers’ offensive line plan into even narrower straits.—
Alex Zietlow,
Charlotte Observer,
27 Mar. 2026
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As deductions narrow and dependents age out, Roth withdrawals become one of the cleanest sources of tax-free income available for the 62-to-70 age group.—
Kansas City Star,
Kansas City Star,
27 Mar. 2026
Adjective
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The paramedic suddenly had to balance the urgency of a wartime emergency with the delicate, critical first steps of childbirth.—
Eric Mack,
FOXNews.com,
2 Apr. 2026
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Miranda's fingers are elegant, delicate as bird bones.—
Danielle Parker,
CBS News,
2 Apr. 2026
Adjective
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Prices were accurate at the time of publication but may change.—
Cody Godwin,
USA Today,
2 Apr. 2026
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Hedrick also won a Fiesta Bowl, in 2014, and was hailed as one of the most accurate passers in the nation.—
Shaun Goodwin,
Idaho Statesman,
1 Apr. 2026
Noun
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Now fifty-four, Chalker is nearly six feet tall and barrel-chested, with short brown hair and a thick, graying red beard.—
David D. Kirkpatrick,
New Yorker,
30 Mar. 2026
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Dublin Police Services The hair was later confirmed to be Denise's.—
Lauren Clark,
CBS News,
29 Mar. 2026
Cite this Entry
“Hairline.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hairline. Accessed 3 Apr. 2026.
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