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
2
3
a
: a textile design consisting of lengthwise or crosswise lines usually one thread wide
b
: a fabric with such a design
4
a
: the outline of scalp hair especially on the forehead
b
: the way the hair frames the face
hairline
adjective
Synonyms
Examples of hairline in a Sentence
The plate had a hairline running across it.
He has a receding hairline.
Recent Examples on the Web
In the case of the mini facelift, those might be at the earlobe, behind the ear, and into the hairline, but the surgeon should make painstaking efforts that these are as undetectable as possible.
—
Kara Nesvig, Allure, 17 Apr. 2024
Best for: Fine or thinning hair How to Use: Using gentle, circular motions, move the massager from the hairline to the nape of the neck, repeating to cover the whole head.
—Deanna Pai, Vogue, 18 Mar. 2024
The photographs induce a surprisingly urgent search for something, anything, that feels nakedly real — perhaps a sliver of skin up by the hairline, just below the edge of a wig, or around the mouth.
—Nancy Princenthal, New York Times, 24 Jan. 2024
This product is designed to help with hair thinning, receding hairline, and bald spots.
—Larry Stansbury, Essence, 9 Apr. 2024
Step 4: Then, from the eyebrows up and over to the hairline, cover each area 3 to 5 times.
Step 5: Repeat on the other side of the face.
—Jenn Barthole, Glamour, 9 Apr. 2024
On days three to five of symptoms, a blotchy rash often forms at the hairline before spreading to the rest of the body.
—Joe Murphy, NBC News, 27 Mar. 2024
Thicker headbands worn closer to the hairline — as seen on Alix Earle at Paris Fashion Week — give a decidedly Brigitte Bargot feel.
—Catherine Santino, Peoplemag, 20 Mar. 2024
Good results, including natural-looking hairlines, dense and healthy growth, and minimal scarring, are frequently highlighted in patient testimonials and reviews, further enhancing the reputation of hair transplant clinics in Turkey.
—Chris Gallagher, Journal Sentinel, 28 Mar. 2024
Kara Nesvig, Allure, 17 Apr. 2024
Best for: Fine or thinning hair How to Use: Using gentle, circular motions, move the massager from the hairline to the nape of the neck, repeating to cover the whole head.
—Deanna Pai, Vogue, 18 Mar. 2024
The photographs induce a surprisingly urgent search for something, anything, that feels nakedly real — perhaps a sliver of skin up by the hairline, just below the edge of a wig, or around the mouth.
—Nancy Princenthal, New York Times, 24 Jan. 2024
This product is designed to help with hair thinning, receding hairline, and bald spots.
—Larry Stansbury, Essence, 9 Apr. 2024
Step 4: Then, from the eyebrows up and over to the hairline, cover each area 3 to 5 times.
Step 5: Repeat on the other side of the face.
—Jenn Barthole, Glamour, 9 Apr. 2024
On days three to five of symptoms, a blotchy rash often forms at the hairline before spreading to the rest of the body.
—Joe Murphy, NBC News, 27 Mar. 2024
Thicker headbands worn closer to the hairline — as seen on Alix Earle at Paris Fashion Week — give a decidedly Brigitte Bargot feel.
—Catherine Santino, Peoplemag, 20 Mar. 2024
Good results, including natural-looking hairlines, dense and healthy growth, and minimal scarring, are frequently highlighted in patient testimonials and reviews, further enhancing the reputation of hair transplant clinics in Turkey.
—Chris Gallagher, Journal Sentinel, 28 Mar. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hairline.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near hairline
Cite this Entry
“Hairline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hairline. Accessed 25 Apr. 2024.
Copy CitationKids Definition
hairline
noun
hair·line
ˈha(ə)r-ˌlīn 
ˈhe(ə)r-
1
a
: a very slender line
b
: a very thin crack on a surface
a hairline bone fracture
2
: the outline of the hair on the head and especially on the forehead
hairline
adjective
Medical Definition
hairline
noun
hair·line
-ˈlīn
: the outline of scalp hair especially on the forehead
hairline
adjective
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