Defining nouns, adjectives, verbs and adverbs

• A noun is a word that names a person, thing, place, idea or action.
• An adjective is a word that modifies (adds information about) a noun.
• A verb is a word that expresses an action or a state of being.
• An adverb is a word that modifies (adds information about) a verb, adjective or another adverb.