No. Suddenly is an adverb. The adjective form of suddenly is sudden.
Suddenly it started to rain so hard that I got soaked walking home from school.
Can be a backfire. When you let up on the throttle suddenly you can get unburned fuel in the exhaust, which then ignites and makes a pop.
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.
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."