No. It is usually a conjunction or adverb, and more rarely a noun.
Examples:
I saw where he went.
Where was he going?
We know the when but not the where.
No, it is a verb or a noun (to go around, to surround; a round shape). The adjective form is circular.
It is an adjective.It is a an adjective.
No, it is not an adjective. Differently is an adverb.The adjective would be different.
No. It is not an adjective. An adjective describes something.
Cautious IS an adjective. An adjective is an action!
it is an adjective!
No, it is an adverb. The adjective is clumsy.
It can be. "Ideal" is an adjective and a noun.
Yes, it is an adjective.
No it's not a adjective, an adjective is a describing word.
It is not an adjective. It is a noun based on the adjective unfit.
adjective