It can be either.
The gun will recoil when he fires it (verb). If he is not careful, the recoil will dislocate his shoulder (noun)!
as a VERB: This gun will recoil a lot. or: He recoiled at the awful sight of the wrecked car. as a NOUN: This gun has a lot of recoil. The recoil of a .338 magnum rifle is uncomfortable.
Rebound is used as a verb that means to recoil, bounce, or ricochet. As a noun, it means a recoil, bounce, ricochet, or repercussion. Example sentences: As a verb: You will rebound from this disappointment before you know it. As a noun: The rebound off the backboard put the ball right into the basket!
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.
No, it is a verb or a noun (to go around, to surround; a round shape). The adjective form is circular.
noun
A roar is a noun. To roar is a verb.
Training is a noun and a verb. Noun: e.g. activity of acquiring skills. Verb: present participle of the verb 'train'.
Has is a verb; it is not a noun. It is the third person singular of the verb to have. It functions as a helping verb as well, but it is not a noun.
It is neither a noun or a verb.
Noun. Photosynthesizing is a verb.
"Wrap" can be both a noun and a verb. As a noun, it refers to a covering or packaging material. As a verb, it means to enclose something by folding or winding around it.
Noun. Adjust is a verb.