Yes, the word shooting can be an adjective and a verb, it is also a verbal noun (gerund). Examples:
Adjective: We have shooting practice after school today.
Verb: We're shooting for the best grade average in the county.
Noun: The shooting last night has everyone on edge.
NO!!! 'Circle' can be a verb ' to circle' or a common noun ' the circle'. 'circular' is the adjective.
Adjective.
A verb in the past tense.
No, it is an adjective. Breathe is a verb, breathing is a verb too... but then breathable is an adjective, which makes unbreathable an adjective.
No
Wet can be used as an adjective. It can also be used as a verb to describe an action.
Brief can be an adjective, a noun or a verb.
It's an adjective.
verb of brave?
Restless is an adjective. Restless is not a verb.
Coincide is a verb. Coincidental is the adjective.
"No" is usually an interjection or an adjective, but never a verb!