verb (used without object)
verb (used with object)
Origin of roar
Related formsroar·er, nounout·roar, verb (used with object)un·der·roar·er, noun
Examples from the Web for roar
It will just take time for those little murmurs to become a roar.
I was sleeping late after a long weekend of work, when my girlfriend heard the roar of its engines approaching.
I thought about Al, pushed onto the hood of the car at the airport, the roar of planes taking off and landing in the background.
But no matter, we are allergic and getting more allergic, hear us roar (and sniffle and whine and hack).Blame Climate Change for Your Terrible Seasonal Allergies|Kent Sepkowitz|May 14, 2014|DAILY BEAST
At least when an all-too-real attack came on Wednesday morning, there was only the flashing of blades, not the roar of gunfire.Thank God the Murrysville School Attack Wasn’t Guns|Michael Daly|April 9, 2014|DAILY BEAST
A roar of laughter greeted this candid confession of future intentions.The Revellers|Louis Tracy
The volume of the Rjukan fall is enormous, its height very considerable, and its roar deafening.Ticket No. "9672"|Jules Verne
Wild were the plaudits of the multitude, but the lion was staggering and his roar was muffled.Ulric the Jarl|William O. Stoddard
There was a roar of approval from the army at this alluring suggestion.Days of the Discoverers|L. Lamprey
The roar of the traffic and the clatter of footsteps and the grumble of voices swirled like dance music about Andrews's head.Three Soldiers|John Dos Passos