PRONOUN meaning : 1. a word that is used instead of a noun or a noun phrase: 2. Someone's pronouns are the way they…. Learn more. PRONOUN definition : 1. a word that is used instead of a noun or a noun phrase: 2. Someone's pronouns are the way they…. Learn more. Pronouns are words that take the place of a noun in a sentence and can be used to avoid repeating the same noun multiple times. Pronouns are words that stand in for nouns. Read on for a full definition and examples of pronouns in the English language.