Search Dictionary
Definition of hairline

hairline

/ˈhɛrˌlaɪn/
hair · line
Plural:hairlines
JUMP TO:

hairline Lexical Profile

hairline Game Scores & Validity

• noun

1

The outer edge of a person's hair, especially along the upper forehead.

Example

"Sweat beaded along his hairline after the intense workout."

2

A very thin line or stroke, especially in handwriting, printing, or typography.

Example

"The calligrapher used a fine nib to draw delicate hairlines on the parchment."

Synonyms
View all synonyms for hairline

• adjective

1

Extremely thin, narrow, or fine, especially regarding a crack or fracture.

Example

"The X-ray revealed a hairline fracture in the runner's shinbone."

Synonyms
View all synonyms for hairline
Antonyms
View all antonyms for hairline

• Rhymes for hairline

• Nearby Words

hairless
hairlessness
hairlike
hairline
hairnet
hairpiece
hairpin

Cite this Entry

Wordmom. (2026). Definition of Hairline. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/hairline
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.