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
Synonyms & Similar Words
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
Jenna Ryu, SELF, 23 May 2025
Those could include high fever, cough, runny nose, watery eyes and a facial or hairline rash that tends to appear within five days of infection.
—Brian Niemietz, New York Daily News, 20 May 2025
Symptoms 3-5 days after onset: The measles rash will appear, usually beginning as flat red spots on the face at the hairline, later spreading to the neck, trunk, arms, legs and feet.
—Ashley Fredde, Idaho Statesman, 23 May 2025
That means matching the shape of the hairline to the patient’s facial anatomy, following the correct angles and exit points based on texture, and adjusting for skin contrast, forehead slope and bone structure.
—Ascend Agency, Baltimore Sun, 21 May 2025
See All Example Sentences for hairline
Noun
There’s traction alopecia, which happens when repeated physical pulling on the hair causes damage, usually along the frontal hairline.
—Jenna Ryu, SELF, 23 May 2025
Those could include high fever, cough, runny nose, watery eyes and a facial or hairline rash that tends to appear within five days of infection.
—Brian Niemietz, New York Daily News, 20 May 2025
Symptoms 3-5 days after onset: The measles rash will appear, usually beginning as flat red spots on the face at the hairline, later spreading to the neck, trunk, arms, legs and feet.
—Ashley Fredde, Idaho Statesman, 23 May 2025
That means matching the shape of the hairline to the patient’s facial anatomy, following the correct angles and exit points based on texture, and adjusting for skin contrast, forehead slope and bone structure.
—Ascend Agency, Baltimore Sun, 21 May 2025
See All Example Sentences for hairline
Recent Examples of Synonyms for hairline
Adjective
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The water pressure then causes the vehicle to rise and slide on a thin layer of water between the tires and the road, making the driver lose control.—
NC Weather Bot,
Charlotte Observer,
7 June 2025
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The warm, sunny weather was helping the thin layer of oil evaporate, and the spill did not seem to harm wildlife, Laughlin said.—
Ethan Wolin,
Sacbee.com,
6 June 2025
Adjective
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The family secrets were subtle but pervasive, reverberating not just through this nuclear family, but also across generations.—
Susan Walter
June 6,
Literary Hub,
6 June 2025
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The problem is that Flanagan—known for eerie but subtle horror films like Hush and Oculus and Netflix series like Midnight Mass and The Haunting of Hill House—puts too many overly earnest quotation marks around what should be the most moving scenes.—
Stephanie Zacharek,
Time,
6 June 2025
Adjective
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On a weekend in mid-May, a clandestine mathematical conclave convened.—
Lyndie Chiou,
Scientific American,
6 June 2025
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This, too, is a mathematical property of the system because decline and recovery have different incentive structures.—
Avi Dor,
The Conversation,
5 June 2025
Noun
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The storms are packing marble-sized hail (0.5 inches) and wind gusts of up to 50 mph.—
NC Weather Bot,
Charlotte Observer,
14 June 2025
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The crinoid has between 20 and 22 arms that can reach up to 5.5 inches long, according to the study.—
Irene Wright,
Miami Herald,
13 June 2025
Adjective
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Beach replenishment also is planned, but the narrow right-of-way through San Clemente includes no room for a second set of tracks.—
Phil Diehl,
San Diego Union-Tribune,
6 June 2025
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The Denver Nuggets trailed by 11 with about four minutes left to start the Western Conference semis but stormed back at Paycom Center for a narrow win — the Thunder won that series in seven games.—
Joe Vardon,
New York Times,
6 June 2025
Adjective
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The name angel pie gives a few of this dessert's secrets away: The crust is a super delicate meringue that's crisp on the outside but marshmallowy on the inside.—
Kimberly Holland,
Southern Living,
8 June 2025
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He was diagnosed with thoracic outlet syndrome, had delicate surgery and was sidelined 11 months.—
Chuck Murr,
Forbes.com,
7 June 2025
Adjective
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Amazon Prime Video’s newest NASCAR stat incorporates tens of thousands of incoming data points in real time, using machine learning over the course of a race for more accurate outputs.—
Jacob Feldman,
Sportico.com,
7 June 2025
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Prices were accurate at the time of publication but may change.—
Maryal Miller Carter,
USA Today,
7 June 2025
Noun
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During an interview with police, the witnesses showed officers a video in which the child’s babysitter, identified as Rogers, allegedly grabbed the child by his neck/shoulder, according to court documents.—
Caroline Zimmerman,
Kansas City Star,
12 June 2025
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However, the study did not show a substantial change in whole-body or femoral neck bone density.3 5.—
Jennifer Steinhoff,
Verywell Health,
12 June 2025
Cite this Entry
“Hairline.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hairline. Accessed 17 Jun. 2025.
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