roaring
Americannoun
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the act of a person, animal, or thing that roars.
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a loud, deep cry or sound or a series of such sounds.
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Veterinary Pathology. a disease of horses, caused by respiratory obstruction or vocal cord paralysis, and characterized by loud or rough breathing sounds.
adjective
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making or causing a roar, as an animal or thunder.
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brisk or highly successful, as trade.
He did a roaring business selling watches to tourists.
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characterized by noisy, disorderly behavior; boisterous; riotous.
roaring revelry.
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complete; utter; out-and-out.
a roaring idiot; a roaring success.
adverb
adjective
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informal very brisk and profitable (esp in the phrase a roaring trade )
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the period of the Australian goldrushes
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derogatory (intensifier)
a roaring communist
adverb
noun
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a loud prolonged cry
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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
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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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.