No. Use permitted as for example, That is not permitted. It is forbidden.
No, it is a verb or noun. The noun "permit" (authorization) may be used as a noun adjunct with other nouns (permit parking, permit application).
It can be used as an adjective or a noun.
Yes it can be used as an adjective.
Yes. The word CALM can be used as an adjective, verb, or noun.
The word "mistaken" is typically used as an adjective.
No, the word lesson is not an adjective. It can be used as a noun or a transitive verb.
An adjective is a describing word. Therefore, the word liar is an adjective, because it can be used to describe a person who tells lies.
No, the word 'cognizant' is an adjective, a word used to describe a noun.The noun form of the adjective 'cognizant' is cognizance.
Adjective
The word your is an adjective; the pronoun form is yours. The adjective dark is used as an adjective; the word dark is also a noun.
Barefoot can be used as an adjective and an adverb.
The word "adjective" (part of speech) is a noun.The adjective form, rarely used, is adjectival.