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Synonyms

roaring

American  
[rawr-ing, rohr-] / ˈrɔr ɪŋ, ˈroʊr- /

noun

  1. the act of a person, animal, or thing that roars.

  2. a loud, deep cry or sound or a series of such sounds.

  3. Veterinary Pathology. a disease of horses, caused by respiratory obstruction or vocal cord paralysis, and characterized by loud or rough breathing sounds.


adjective

  1. making or causing a roar, as an animal or thunder.

  2. brisk or highly successful, as trade.

    He did a roaring business selling watches to tourists.

  3. characterized by noisy, disorderly behavior; boisterous; riotous.

    roaring revelry.

  4. complete; utter; out-and-out.

    a roaring idiot; a roaring success.

adverb

  1. very; extremely.

    roaring drunk.

roaring British  
/ ˈrɔːrɪŋ /

adjective

  1. informal very brisk and profitable (esp in the phrase a roaring trade )

  2. the period of the Australian goldrushes

  3. derogatory (intensifier)

    a roaring communist

"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

adverb

  1. noisily or boisterously (esp in the phrase roaring drunk )

"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

noun

  1. a loud prolonged cry

  2. a debilitating breathing defect of horses characterized by rasping sounds with each breath: caused by inflammation of the respiratory tract or obstruction of the larynx Compare whistling

"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

Other Word Forms

Etymology

Origin of roaring

before 1000; Middle English roryng (noun, adj.), Old English rarung (noun). See roar, -ing 1, -ing 2

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.

The breakfast show presenter pedalled the two-seater through England, Wales and Scotland, from Weymouth, Dorset, arriving to roaring crowds at Edinburgh's Murrayfield Stadium on 20 March.

From BBC • May 6, 2026

Meanwhile, money has continued to pour into the building of new data centers to power AI, helping to fuel a roaring rally in semiconductor stocks.

From MarketWatch • Apr. 30, 2026

After Lorenzo claimed to discern evidence of moral strength, determination and leadership qualities, Orson is said to have remarked that the sitter “would make a roaring abolitionist.”

From The Wall Street Journal • Apr. 29, 2026

It was all quiet and business as usual, except for the roaring trucks that were spraying foamy "detergent" on the pavement.

From Barron's • Apr. 25, 2026

At that, the twins jumped up and ran from the room roaring like race cars.

From "Hope Springs" by Jaime Berry

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