yes it is because it can be used to describe something
Cautious IS an adjective. An adjective is an action!
A plain figure is a simple figure.
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
probable is an adjective
Stable is an adjective.
No. Plain is a noun, or an adjective. The adjective plain has the adverb form "plainly."
No the word plain is not a noun. It is an adjective.
A is an article, grassy is an adjective, and plain is a noun.
Inclined is an adjective and plain is a noun.
plain is an adjective. The type of transportation that people travel by is a plane. (short for aeroplane)
Plain is an adjective describing folks. Folks is a noun.
Yes, it is the adverb form of the adjective obvious (plain, evident).
The adjective straightforward means plain, direct, or honest, as a straightforward answer to a question.
One homograph for "plain" is a noun meaning a large area of flat land. Another homograph is an adjective meaning simple or not fancy.
The correct usage would be "on the same plane". Plane as in "plate", "table" or "page". These are nouns. "Plain" is an adjective.
It can be if used like, the basic doll is very plain. It can also be used as a noun such as, let's get back to the basics.
Well, honey, "plain" is not a proper noun. It's just a regular ol' adjective, like "boring" or "basic." Proper nouns are names of specific people, places, or things, like Beyoncé or Mount Everest. So, plain is about as proper as a peanut butter and jelly sandwich at a fancy dinner party.