Used by itself, it is a noun. ("I picked the number 23.")
Numbers used with nouns ("23 men") may or may not be considered adjectives, because they do not modify an item, only show how many items there are. Numerals may be called 'determiners' instead.
When combined with units, they can definitely be adjectives, as in a 23-inch monitor.
Cautious IS an adjective. An adjective is an action!
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.
Severe is an adjective.
kind of, 23 is an adjective and pounds is a noun.
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
It is not an adjective. It is a noun based on the adjective unfit.
No, it is not an adjective; it is an adverb. The adjective form is "awkward."