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Synonyms

clarion

American  
[klar-ee-uhn] / ˈklær i ən /

adjective

  1. clear and shrill.

    the clarion call of a battle trumpet.


noun

  1. an ancient trumpet with a curved shape.

  2. the sound of this instrument.

  3. any similar sound.

clarion British  
/ ˈklærɪən /

noun

  1. a four-foot reed stop of trumpet quality on an organ

  2. an obsolete, high-pitched, small-bore trumpet

  3. the sound of such an instrument or any similar sound

"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

adjective

  1. (prenominal) clear and ringing; inspiring

    a clarion call to action

"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

verb

  1. to proclaim loudly

"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

Etymology

Origin of clarion

1275–1325; Middle English < Medieval Latin clāriōn- (stem of clāriō ) trumpet, equivalent to clār- clear + -iōn- -ion

Explanation

If you hear the clarion call of the stage, it means you want to be an actor. Clarion means loud and clear, and a clarion call is a call to something that is hard to ignore. A clarion is a medieval horn with a clear sound. Hard to ignore, but also pure and clear in tone. There's nothing shrill about a "clarion call." Martin Luther King Jr.'s clarion call for all races in the U.S. to live together in peace and harmony has lived on after his death.

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Vocabulary lists containing clarion

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.

And he raises an alarm, with clarion sharpness, about an authoritarian specter.

From The Wall Street Journal • Nov. 7, 2025

It’s this clarion voice that we’re hearing from her more and more.

From Slate • May 23, 2025

His expansive vision of the ’80s rings out like a clarion call for a new era of rigorous artistic engagement with the unknowable and the unseen.

From Los Angeles Times • May 22, 2025

We need to loudly and proudly make the dignity of work, and the character it builds, the clarion call of our party.

From Salon • Feb. 9, 2025

No high-res shots of little Nate Foster scurrying around the Christmas tree, belting “Santa Baby” in a clarion, silver soprano.

From "Better Nate Than Ever" by Tim Federle