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
Relevance
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
Elizabeth Robinson, NBC news, 5 May 2025
Every year, our editors are presented with countless new products that claim to do everything from restoring hairlines to reversing age spots, wrinkles, and more.
—Justin Fenner, Robb Report, 13 June 2025
Townsend’s go-to trick for a polished finish is to spritz a bit of strong-hold spray on a clean toothbrush to tame edges around the hairline or nape.
—Michelle Rostamian, Allure, 6 June 2025
Some experienced a slight thinning of the nose, others their brow, butt, lips, and hairline.
—Richard Edwards, Space.com, 29 May 2025
See All Example Sentences for hairline
Noun
But even before Saturday, Alvarado had already pulled off an upset of his own, bouncing back from a hairline fracture in his shoulder two months ago that left him sidelined for weeks.
—Elizabeth Robinson, NBC news, 5 May 2025
Every year, our editors are presented with countless new products that claim to do everything from restoring hairlines to reversing age spots, wrinkles, and more.
—Justin Fenner, Robb Report, 13 June 2025
Townsend’s go-to trick for a polished finish is to spritz a bit of strong-hold spray on a clean toothbrush to tame edges around the hairline or nape.
—Michelle Rostamian, Allure, 6 June 2025
Some experienced a slight thinning of the nose, others their brow, butt, lips, and hairline.
—Richard Edwards, Space.com, 29 May 2025
See All Example Sentences for hairline
Recent Examples of Synonyms for hairline
Adjective
-
What is a ‘washable’ rug, anyway? Typically made of synthetic fibers like nylon or polypropylene, washable rugs are thinner and more lightweight than traditional rugs, especially in larger sizes.—
The Washington Post,
San Diego Union-Tribune,
12 July 2025
-
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,
12 July 2025
Adjective
-
The accessory was a subtle nod to the All England Lawn Tennis and Croquet Club, whose colors have been green and purple since 1909.—
Renan Botelho,
Footwear News,
12 July 2025
-
For some subtle sculpting, consider warming the product up on the back of your hand before going in with a makeup brush or beauty sponge.—
Jennifer Hussein,
Allure,
12 July 2025
Adjective
-
Sophisticated mathematical models coexist with surprisingly basic tools.—
Boaz Sobrado,
Forbes.com,
5 July 2025
-
Using the mathematical and computational models, researchers were able to gather insights into the Earth’s depth and composition of materials under the Afar surface.—
Jay Kakade
July 05,
New Atlas,
5 July 2025
Noun
-
The storms could cause hail up to 2 inches in diameter.—
Elizabeth Hernandez,
Denver Post,
8 July 2025
-
Even 6 inches of moving water can pose a serious risk of knocking you off your feet.—
NC Weather Bot,
Charlotte Observer,
7 July 2025
Adjective
-
The 2026 battle for the Senate Republicans currently control the U.S. Senate 53-47, a narrow majority that has nonetheless helped shepherd GOP priorities through Congress along party lines.—
Riley Beggin,
USA Today,
12 July 2025
-
The class approved in New Hampshire is slightly narrower than that sought by the plaintiffs, who wanted to include parents, but attorneys said that wouldn't make a material difference.—
HOLLY RAMER,
arkansasonline.com,
11 July 2025
Adjective
-
Tasters enjoyed Canada Dry’s balance of flavors, noting that its delicate citrus played well with a sharp bitter note on the back of their tongues.—
Sam Stone,
Bon Appetit Magazine,
14 July 2025
-
For instance, delicate fabrics like wool, silk, or linen will likely have different washing requirements than white cotton garments.—
Ashlyn Needham,
Southern Living,
12 July 2025
Adjective
-
Prices were accurate at the time of publication but may change.—
Saman Shafiq,
USA Today,
5 July 2025
-
All odds are accurate as of 5:00 a.m. ET on Friday.—
James Bickerton,
MSNBC Newsweek,
4 July 2025
Noun
-
An autopsy declared his cause of his death was asphyxia by neck compression.—
Rosalio Ahumada,
Sacbee.com,
8 July 2025
-
This buttery-looking Free People sweater has a mock neck and a particularly autumnal hue, and these 45-percent-off Levi’s jeans balance out its stylishly slouchy look.—
Alyssa Grabinski,
People.com,
8 July 2025
Cite this Entry
“Hairline.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/hairline. Accessed 19 Jul. 2025.
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