We welcome you to this English Grammar Quiz! An adjective is a word that describes or modifies a noun. Adjectives are used to describe the qualities of someone or something either independently on in contrast to something. Do you wish to have some practice on how to use or insert the right adjectives in a sentence? Take up the test below and get to do just that. The quiz has no time limit, so feel free to take it as often as you prefer. All the best!