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Synonyms

eyebrow

American  
[ahy-brou] / ˈaɪˌbraʊ /

noun

  1. the arch or ridge forming the upper part of the orbit of the eye.

  2. the fringe of hair growing on this arch or ridge.

  3. a dormer having a roof that is an upwardly curved continuation of the main roof plane.

  4. Printing, Journalism. kicker.

  5. Nautical. a curved molding protecting a port from falling or dripping water.

eyebrow British  
/ ˈaɪˌbraʊ /

noun

  1. the transverse bony ridge over each eye

  2. the arch of hair that covers this ridge

  3. See raise

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
eyebrow Idioms  

  1. see cause raised eyebrows.

Etymology

Origin of eyebrow

First recorded in 1575–85; eye + brow

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.

Players are sent off for tackles that would barely have raised an eyebrow, never mind a red card, a generation ago.

From BBC • Mar. 2, 2026

Cignetti bent his left eyebrow to the cloudline.

From The Wall Street Journal • Jan. 2, 2026

“It’s definitely an eyebrow raiser,” Donnelly told MarketWatch.

From MarketWatch • Dec. 11, 2025

Summer Walker, “Finally Over It” A sculpted eyebrow arched in perpetuity.

From Los Angeles Times • Dec. 5, 2025

He raised a questioning eyebrow, looking more like his father than he would have guessed.

From "Jeremy Thatcher, Dragon Hatcher" by Bruce Coville

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.