Yes, the word 'roar' is both a noun (roar, roars) and a verb (roar, roars, roaring, roared).Examples:We heard the roar of a lion in the distance. (noun)The boss will roar when sees this mess. (verb)
No, it is not. It is the present participle of the verb to bellow (to roar, or shout). It can be a verb, a participial, a noun, or an adjective (e.g. bellowing oxen).
a roar is a common noun. I mean unless someone's name is Roar, its a common noun.
Depends on how you use it."Roar" is a verb in this example: The lion roared at the audience."Roar" is an onomatopoeia in this example: The roar of the wind deafened me.
No, crowd's roar is a singular possessive noun; it's just one crowd roaring.
The noun 'is' is a verb, a form of the verb 'to be'. The verb 'is' functions as an auxiliary verb and a linking verb.