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!!! 'Circle' can be a verb ' to circle' or a common noun ' the circle'. 'circular' is the adjective.
It is an adjective.It is a an adjective.
An adjective
it is 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.
adjective
No, it is not an adjective; it is an adverb. The adjective form is "awkward."
It is not an adjective. It is a noun based on the adjective unfit.
Yes, it is an adjective.