1. a word or phrase naming an attribute, added to or grammatically related to a noun to modify or describe it.
Word Originlate Middle English: from Old French adjectif, -ive, from Latin adject- ‘added’, from the verb adicere, from ad- ‘towards’ + jacere ‘throw’. The term was originally used in the phrase noun adjective, translating Latin nomen adjectivum, a translation of Greek onoma epitheton ‘attributive name’.