hairline
Americannoun
-
a very slender line.
-
the lower edge of the hair, especially along the upper forehead.
a hairline that slowly receded.
-
worsted fabric woven with very fine lines or stripes.
-
Printing.
adjective
noun
-
the natural margin formed by hair on the head
-
-
a very narrow line
-
( as modifier )
a hairline crack
-
-
printing
-
a thin stroke in a typeface
-
any typeface consisting of such strokes
-
thin lines beside a character, produced by worn or poorly cast type
-
-
a rope or line of hair
Etymology
Origin of hairline
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Joseph’s look contrasts with the somewhat scruffy beard and receding hairline of the donor kneeling at the right.
From The Wall Street Journal • Dec. 26, 2025
Dodgers catcher Will Smith has a hairline fracture in his right hand and is doubtful to return before the end of the regular season, according to manager Dave Roberts.
From Los Angeles Times • Sep. 20, 2025
With chilling nonchalance, Victor observes the start of a hairline fracture that will eventually produce a painful crack.
From Salon • Jul. 28, 2025
The site's eventual closure was sealed when hairline cracks were found in the graphite bricks which make up its nuclear cores.
From BBC • Apr. 25, 2025
Yes, Rae’s hugging you now, and you can smell her coconut shampoo, and her maybe-a-little-teenybopperish-but-totally-works-for-her perfume, and even a little bit of the sweet sweat at her hairline.
From "Odd One Out" by Nic Stone
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.