Also found in: Thesaurus, Acronyms, Idioms, Encyclopedia.


1. The loud deep cry of a wild animal, especially a lion or other wild cat.
2. A loud, deep, prolonged sound or cry, as of a person in distress or rage.
3. A loud prolonged noise, such as that produced by waves.
4. A loud burst of laughter.
v. roared, roar·ing, roars
1. To produce or utter a roar.
2. To laugh loudly or excitedly.
3. To make or produce a loud noise or din: The engines roared.
4. To move while making a loud noise: The truck roared down the road.
5. To breathe with a rasping sound. Used of a horse.
1. To utter or express loudly. See Synonyms at yell.
2. To put, bring, or force into a specified state by roaring: The crowd roared itself hoarse.
Phrasal Verb:
roar back
To have great success after a period of lackluster performance; make a dramatic recovery: lost the first set but roared back to win the match.

[Middle English roren, to roar, from Old English rārian.]

roar′er n.




  1. Ranting like a mad prophet —Amos Oz
  2. Roar as loud as a howitzer —Norman Mailer
  3. (The tiger) roaring like the sea —Dame Edith Sitwell
  4. Roar like a jetport —T. Coraghessan Boyle
  5. Roared like a tiger —Eudora Welty
  6. Roar [of laughter] … like a tractor backfiring —Raymond Chandler
  7. Roar like a winter breeze —Cole Porter, from “I’ve Come to Wive It Wealthily In Padua,” one of the lyrics for the musical, Kiss Me Kate, an adaptation of Shakespeare’s Taming of the Shrew.
  8. Roar like bears —The Holy Bible/Isaiah
  9. Roars like a rhino (as she comes and comes) —Carolyn Kizer
  10. We roar all like bears —The Holy Bible/Isaiah
  11. A whoop like Yale making a touchdown against Princeton —Raymond Chandler
References in classic literature ?
A rumbling kind of a bluster roars behind the fire-board.
As she roars her song, in a voice of which it is enough to say that it leaves no portion of the room vacant, the three musicians follow her, laboriously and note by note, but averaging one note behind; thus they toil through stanza after stanza of a lovesick swain's lamentation: --
Roars of laughter attended the narration, and were taken up and prolonged by all the smaller fry, who were lying, in any quantity, about on the floor, or perched in every corner.
Dismal enough in the dark,' he said: 'and the sea roars as if it were hungry for us.
He makes tremendous rows - roars, and pegs at the floor with some frightful instrument.
Admit him,'' said Cedric, ``be he who or what he may; a night like that which roars without, compels even wild animals to herd with tame, and to seek the protection of man, their mortal foe, rather than perish by the elements.
Here he stood rocking himself to and fro upon his short legs, baring his fangs in hideous grinnings, rumbling out an ever increasing volume of growls, which were slowly but steadily increasing to the proportions of roars.
Motionless, with her burning and fixed glances, in her solitary apartment, how well the outbursts of passion which at times escape from the depths of her chest with her respiration, accompany the sound of the surf which rises, growls, roars, and breaks itself like an eternal and powerless despair against the rocks on which is built this dark and lofty castle
The cows in headlong panic, the bulls furious with rage, uttering deep roars, and occasionally turning with a desperate rush upon their pursuers.
The son of Peleus from the other side sprang forth to meet him, like some fierce lion that the whole country-side has met to hunt and kill--at first he bodes no ill, but when some daring youth has struck him with a spear, he crouches openmouthed, his jaws foam, he roars with fury, he lashes his tail from side to side about his ribs and loins, and glares as he springs straight before him, to find out whether he is to slay, or be slain among the foremost of his foes--even with such fury did Achilles burn to spring upon Aeneas.
The soldier found the occupation so pleasant, that he put his hand to the work -- that is to say, to the lines -- and uttered roars of joy, and mordioux enough to have astonished his musketeers themselves every time that a shock given to his line by the captured fish required the play of the muscles of his arm, and the employment of his best dexterity.
Through this the whole body of the river roars along, swelling and whirling and boiling for some distance in the wildest confusion.