No, it's a noun.
"Undermount" is typically one word when used as an adjective to describe a type of sink or installation method.
two types of installation: clean installation upgrade installation,phased installation,remote installation, image deployment and parallel installation
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.
Cautious IS an adjective. An adjective is an action!
An adjective
it is an adjective!
No. It is not an adjective. An adjective describes something.
No, it is an adverb. The adjective is clumsy.
It can be. "Ideal" is an adjective and a noun.
installation
No it's not a adjective, an adjective is a describing word.