The word biography is a noun; a word for a storytold about a real person's life.
The adjective form is biographical or biographic; the adverb form is biographically. There is no verb form for biography.
Eager is an adjective, the noun is eagerness, there is no verb.
This versatile word can be a noun or verb , and veiled as an adjective.
"Depressed" is a predicate adjective. It follows the linking verb "seems".
It is a noun (an area). The adjective is regional.
Noun
No, it is a verb or a noun (to go around, to surround; a round shape). The adjective form is circular.
The word 'census' is a noun. It is not a verb or an adjective.
"brief" can function as an adjective, noun, or verb.
Capital can function as a noun, verb, or adjective. As a noun, it refers to wealth, resources, or the capital city of a country. As a verb, it can mean to provide funding or to write in capital letters. As an adjective, it describes something related to a capital city or money.
Eager is an adjective, the noun is eagerness, there is no verb.
penetrate is an adjective
Typically, an adverb modifies a verb or adjective, not a noun like "biography." However, you could say "biographically" to express something related to or in the manner of a biography.
Distribute = verb Distribution = noun Distributable = adjective
This versatile word can be a noun or verb , and veiled as an adjective.
Reaction is a noun, reactive is an adjective, but react itself is a verb.
noun, it is a thing. a verb is what you do and an adjective is discriptive words
The word plunge can be a noun or a verb. It is not an adjective or adverb.