Definitions
1.verbTo make a loud, deep cry, especially from pain, anger, or other strong emotion.
2.verbTo laugh in a particularly loud manner."The audience roared at his jokes."
3.verbOf animals (especially the lion), to make a loud deep noise."The lioness roared to scare off the hyenas."
4.verbGenerally, of inanimate objects etc., to make a loud resounding noise.
5.verbTo proceed vigorously.
6.verbTo cry aloud; to proclaim loudly.
7.verbTo be boisterous; to be disorderly.
8.verbTo make a loud noise in breathing, as horses do when they have a certain disease.
9.verb(North Midlands) to cry
10.nounA loud, deep, prolonged sound, as of a large beast; a roar.
11.nounAn affection of the windpipe of a horse, causing a loud, peculiar noise in breathing under exertion.
12.noun(North Midlands) to cry
13.adjectiveIntensive; extreme.
14.adjectiveVery successful; lively."The ice-cream sellers did a roaring trade in the midday heat."