ADJ. almighty, deafening, great, loud, mighty The lion let out a great roar. | deep | dull, muffled | hollow | throaty the throaty roar of the engine | background, distant the distant roar of the sea | sudden
VERB + ROAR give, let out | hear
ROAR + VERB go up A mighty roar went up from the crowd as the home team scored.
PREP. above/over the ~ She couldn't make herself heard over the roar of the engines. | with a ~ The car sped off with an almighty roar. | ~ from There was a crash and a roar from the kitchen. | ~ of a roar of applause/laughter > Note at SOUND