The word "it" is not an adjective (it is a pronoun). A word is an adjective if it modifies (defines, characterizes) a noun or pronoun.
The big tent - big is an adjective
He is tall - tall is an adjective
This key - this (while arguably called a determiner) is a demonstrative adjective
No, it is a verb or a noun (to go around, to surround; a round shape). The adjective form is circular.
No, it is not an adjective. Differently is an adverb.The adjective would be different.
It is an adjective.It is a an adjective.
No. It is not an adjective. An adjective describes something.
Cautious IS an adjective. An adjective is an action!
No, it is an adverb. The adjective is clumsy.
It can be. "Ideal" is an adjective and a noun.
It is not an adjective. It is a noun based on the adjective unfit.
adjective
No, it is not an adjective; it is an adverb. The adjective form is "awkward."
Popular is an adjective. Population is not an adjective.
No it's not a adjective, an adjective is a describing word.