: a word belonging to one of the major form classes in any of numerous languages and typically serving as a modifier of a noun to denote a quality of the thing named, to indicate its quantity or extent, or to specify a thing as distinct from something elseThe word red in "the red car" is an adjective.
Definition of adjective (Entry 2 of 2)
1: of, relating to, or functioning as an adjectivean adjective clause
2: not standing by itself : DEPENDENT
3: requiring or employing a mordantadjective dyes
4: PROCEDURALadjective law
Examples of adjective in a Sentence
Noun The words blue in “the blue car,” deep in “the water is deep,” and tired in “I'm very tired” are adjectives.