Definition of "roar"
To make a loud, deep cry, especially from pain, anger, or other strong emotion.
To laugh in a particularly loud manner.
Of animals (especially the lion), to make a loud deep noise.
Generally, of inanimate objects etc., to make a loud resounding noise.
A long, loud, deep shout made with the mouth wide open.
The cry of the lion.
The deep cry of the bull.
A loud sound as of a motorbike or a similar engine.
A show of strength or character.