\ ˈrȯr How to pronounce roar (audio) \
roared; roaring; roars

Definition of roar

 (Entry 1 of 2)

intransitive verb

1a : to utter or emit a full loud prolonged sound
b : to sing or shout with full force
2a : to make or emit a loud confused sound (such as background reverberation or rumbling)
b : to laugh loudly
3a : to be boisterous or disorderly
b : to proceed or rush with great noise or commotion
4 : to make a loud noise during inhalation (such as that of a horse affected with roaring)

transitive verb

1 : to utter or proclaim with a roar
2 : to cause to roar



Definition of roar (Entry 2 of 2)

1 : the deep cry of a wild animal (such as a lion)
2 : a loud deep cry (as of pain or anger)
3 : a loud continuous confused sound the roar of the crowd
4 : a boisterous outcry

Keep scrolling for more

Examples of roar in a Sentence

Verb We heard a lion roar in the distance. The joke got the crowd roaring. The crowd roared its approval. She roared at him for being late. Noun the roar of the airplane engines the roar of the river
See More
Recent Examples on the Web: Verb When thunder does roar, there's a reason why experts say the best place to be is indoors. Fox News, "Lightning deaths drop 'dramatically' over 2 decades across US, but danger still lingers," 26 June 2020 During the financial crisis, Cote focused just as much on ensuring that Honeywell could roar back in the recovery as on lowering costs to preserve investment and profits. Shawn Tully, Fortune, "Former Honeywell CEO David Cote just wrote one of the best guides ever on how to lead a company," 25 June 2020 Our shutdown economy appears ready to roar back into prosperity. Paul Bedard, Washington Examiner, "White House report card: A no-good, rotten week for Trump, ‘F’," 7 June 2020 The Falcon 9’s engines roar to life and spit nearly 2 million pounds of thrust from the tail end of the rocket. Daniel Oberhaus, Wired, "SpaceX Launched Two Astronauts—Changing Spaceflight Forever," 30 May 2020 Alabama activist Gabby Bowie told the gathered crowd to roaring applause. Connor Sheets |, al, "Hundreds attend Mountain Brook protest rally for George Floyd," 5 June 2020 By midnight Bonus City, once the home of 10,000 jobless hungry men & women, was a field of roaring bonfires. Michael Hiltzik, Los Angeles Times, "Column: After Hoover’s police, like Trump’s, assaulted peaceful protesters, he lost reelection," 2 June 2020 Nothing in the backcountry gives off heat like a roaring fire. Popular Science, "Fifteen survival shelters that can save your life," 28 May 2020 With Suns fans roaring beyond a fevered pitch at then-America West Arena, Elie hit a clutch 3 to put Houston up three with 7.1 seconds left in the game. Duane Rankin, azcentral, "Phoenix Suns had better chance to win NBA title with Charles Barkley than Steve Nash," 18 May 2020 Recent Examples on the Web: Noun A day later, that low hum turned into a roar in Bethel, a tiny Appalachian town about two and a half hours south. Jack Shuler, The New Republic, "Can the White People of Small-Town America Get Behind the Movement for Black Lives?," 2 July 2020 But mat the accelerator in Sport or Sport Plus mode—or with the active exhaust cued up independently via the 12.3-inch center touchscreen—and a brassy roar permeates the cabin through the GTS's reduced sound insulation in its cargo area. Mike Sutton, Car and Driver, "2021 Porsche Cayenne GTS Coupe Sings a V-8 Anthem," 30 June 2020 In this scenario, enough Hoosiers wear masks and social distance to keep the numbers to a dull roar rather than an all-out scream. Shari Rudavsky, The Indianapolis Star, "Some states are seeing coronavirus cases skyrocket. We're not. At least not yet. Why?," 29 June 2020 The speed, the roar, the physics, the visceral thrill of all that power, the pride of American muscle. Shawn Windsor, Detroit Free Press, "The Confederate flag is a middle finger to freedom | Opinion," 12 June 2020 On Saturday, the roar of hundreds of motorcycles on Jefferson Street signified the arrival of the latest group to come to the park in honor of Taylor. Billy Kobin, The Courier-Journal, "300+ motorcyclists ride to Louisville to support renaming public area after Breonna Taylor," 21 June 2020 And the sound of hooves impacting the Belmont Park track replaced the deafening roar of the crowd. Stephen Edelson, azcentral, "Tiz the Law wins the 2020 Belmont Stakes, first New York-bred horse to win since 1882," 20 June 2020 As a result, the #DefundThePolice movement has gone from a whisper to a thunderous roar, with influencers who usually post about matcha lattes and workout routines stumping for dismantling an institution that disproportionately kills Black people. Kathleen Newman-bremang,, "Why Defunding The Police Is The Best Way To Protect Black Lives," 10 June 2020 As soon as Lexie Bell’s name was announced Friday night, her classmates let out a roar as she was pushed across the stage in a wheelchair by her softball coach. Greg Riddle, Dallas News, "She learned she has a rare form of cancer during a global pandemic — but that isn’t breaking Lexie Bell’s spirit," 9 June 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'roar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of roar


before the 12th century, in the meaning defined at intransitive sense 1a


14th century, in the meaning defined at sense 1

History and Etymology for roar


Middle English roren, from Old English rārian; akin to Old High German rērēn to bleat

Keep scrolling for more

Learn More about roar

Time Traveler for roar

Time Traveler

The first known use of roar was before the 12th century

See more words from the same century

Statistics for roar

Last Updated

4 Jul 2020

Cite this Entry

“Roar.” Dictionary, Merriam-Webster, Accessed 8 Jul. 2020.

Keep scrolling for more

More Definitions for roar


How to pronounce roar (audio)

English Language Learners Definition of roar

 (Entry 1 of 2)

: to make the loud sound of a wild animal (such as a lion)
: to make a long, loud sound
: to laugh loudly



English Language Learners Definition of roar (Entry 2 of 2)

: the loud sound of a wild animal (such as a lion)
: a loud, low sound that continues for a long time


\ ˈrȯr How to pronounce roar (audio) \
roared; roaring

Kids Definition of roar

 (Entry 1 of 2)

1 : to make a long loud sound The engine roared.
2 : to laugh loudly
3 : to say loudly “Bread is never free, boy,” he roared.— Avi, Crispin
4 : to move with a loud noise … all jumped into the sheriff's car and roared away …— Robert McCloskey, Homer Price



Kids Definition of roar (Entry 2 of 2)

: a long shout, bellow, or loud noise

Keep scrolling for more

More from Merriam-Webster on roar

Thesaurus: All synonyms and antonyms for roar

Rhyming Dictionary: Words that rhyme with roar

Spanish Central: Translation of roar

Nglish: Translation of roar for Spanish Speakers

Britannica English: Translation of roar for Arabic Speakers

Comments on roar

What made you want to look up roar? Please tell us where you read or heard it (including the quote, if possible).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!