\ˈrȯr \
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

Synonyms & Antonyms for roar

Synonyms: Verb

bellow, boom, growl, thunder

Synonyms: Noun

babel, blare, bluster, cacophony, chatter, clamor, clangor, din, discordance, noise, racket, rattle

Antonyms: Noun

quiet, silence, silentness, still, stillness

Visit the Thesaurus for More 

Examples of roar in a Sentence


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.


the roar of the airplane engines the roar of the river
See More

Recent Examples on the Web: Verb

Take 6 ounces of Disney princess movie soundtrack, add a splash of Diana Ross and the Supremes for soaring soulfulness, plus a heavy squeeze of Gil Scott-Heron, and a dash of roaring R&B a la Earth, Wind and Fire (OK, more than a dash). Doug Maccash,, "Attention Hangout Fest: Don't you dare miss Tank and the Bangas," 18 May 2018 The roaring start to the year is further evidence that the Chinese film market has fully bounced back from a shock correction in 2016, when growth stalled at 3.7 percent after half a decade of 35 percent annual expansion. Patrick Brzeski, The Hollywood Reporter, "China Box Office Surges 39 Percent in First Two Months of 2018," 1 Mar. 2018 Virginia is off to a roaring start in the ACC, sitting at 4-0 in the conference with a win over North Carolina. Michael Beller,, "Picks: Big 12 Takes Center Stage with West Virginia-Texas Tech, TCU-Oklahoma Matchups," 12 Jan. 2018 Fans from Peru, long since eliminated, and Mexico, Colombia, England, Panama, Japan and Egypt and Morocco were among those spotted roaring their support for the Russians. Martin Rogers, USA TODAY, "Whatever happens, Vladimir Putin is winning the World Cup," 1 July 2018 Nirvana’s roaring disdain for the social hierarchies of Reagan-Bush America was conveyed both in Kurt Cobain’s sarcastic lyrics and in his onstage cross-dressing. Spencer Kornhaber, The Atlantic, "What Linkin Park Gave to Pop Music," 25 June 2018 Slow-mo grilling advertisements are always full of roaring flames and meat sizzling against ripping-hot metal. Alex Delany, Bon Appetit, "A Two-Zone Fire Is the Secret to Not Setting Grilled Food on...Fire," 18 June 2018 Mexico supporters outnumbered Germany fans at the Luzhniki Stadium and made almost all of the noise, roaring their team forward. James Ellingsworth, star-telegram, "Did that just happen? Mexico stuns defending champion Germany in World Cup upset," 17 June 2018 For 42 consecutive years, the San Francisco LGBT Pride Parade and March has started with Dykes on Bikes revving their engines and roaring up Market Street. Sam Whiting,, "On the road with Dykes on Bikes in a pre-Pride run," 14 June 2018

Recent Examples on the Web: Noun

Noise Level From thunderous in the bar to a dull roar in the dining room. New York Times, "It’s Not Fake French, It’s Frenchette," 10 July 2018 The roar of the crowd and the lights and the sweat pouring off. Tricia L. Nadolny,, "Allentown's famed Cadets rise again after months of scandal and tumult," 3 July 2018 Even the most valiant headbangers’ cries quickly dissolved, giving way to Araya’s inimitable, bloodcurdling roar. Bryan Rolli, Billboard, "Slayer Close Out First Leg of Farewell Tour with Blistering, Career-Spanning Austin Performance," 21 June 2018 The lead dropped to eight points with 2:31 left, but Durant hit another jumper and Curry made a 3-pointer that drew a deafening roar and put the finishing touches on the victory. William Guillory,, "Kevin Durant, Stephen Curry dominate to give Warriors 2-0 lead over Pelicans," 1 May 2018 The incident appeared to stun Goodison but, with 20 minutes to go, a roar erupted from the Grand Old Lady as Niasse struck to equalise., "Everton 1-1 West Brom: Horrific James McCarthy Injury Overshadows Draw at Goodison Park," 20 Jan. 2018 The violent roar of the presses proves daily that this is still a bloody, awful, beautiful business. Chris Erskine,, "As we pack up, a bittersweet ode to a workplace that was my second home," 29 June 2018 At some point, the roar of the river died down and the canoe slid into a wide eddy. Porter Fox, New York Times, "On a Canoe Trip Along the U.S.-Canada Border, Solitude and Shooting Stars," 20 June 2018 But the roar of social media builds awareness and attracts new potential acolytes. Elizabeth Raiss,, "Why Do We Treat A Fashion Designer Leaving A Brand Like Someone Dying?," 14 June 2018

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

Statistics for roar

Last Updated

17 Oct 2018

Look-up Popularity

Time Traveler for roar

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

See more words from the same century

Keep scrolling for more

More Definitions for roar



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 \
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

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).


one that holds something together

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Syn City

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!