The engine suddenly 'roared (back) to life'. [=it made the loud sound of an engine and began running well]
The audience 'roared' with laughter. [=the audience laughed loudly for a long time]
The fans were 'roaring' [=yelling and cheering loudly] after their team scored.
(..) I'll hold your hands, they're just like ice My mother will start to worry Beautiful, what's your hurry? And father will be pacing the floor Listen to that fireplace roar So, really, I'd better scurry Beautiful, please don't hurry Well, maybe just a half a drink more Put some records on while I pour (..)2003 Elf