The word either can be an adjective. Another word to use is whichever.
When using an adjective to describe one thing, use the positive degree. (Wikipedia)
adverbs
attractive
A term use as an adjective to modify the noun.
Worldwide (or world-wide) is an adjective. Meaning spread throughout the world
The correct spelling of the adjective is contagious(infectious, or able to spread disease).
The adjective form for the verb to use is the past participle, used (a used car).The adjective form for the noun use is useful(useful information).
Happy is already an adjective.
Yes, you can use the adjective dramatic.
Not except in a colloquial meaning. Noise is a nounreferring to a sound, or to sounds in general.The near-archaic verb use is to mean "spread a report or rumor."
Yes, It Almost Has The Meaning As The Adjective.
Yes, the term 'untidy clothes' is a correct use of the adjective.
You can use it as an adjective.
No, the word 'moldy' is the adjective, a word used to describe a noun.The word 'moldy' is the adjective form of the noun 'mold'.Examples:Get rid of the moldy bread. (adjective)The mold can spread to the other loaves. (noun)
An adjective describes a noun.
a good adjective is ugly