We use an adjective to describe another word. Adjectives tell us more about nouns and pronouns.
Adjective (noun): a part-of-speech that modifies or describes a noun or a pronoun.
An adjective can often be present BEFORE a noun:
It can also sometimes be present AFTER a verb:
Another thing about adjectives is that it can also be used to modify pronouns (He is beautiful). Look at these examples: