: a word, clause, or phrase or agroup of clauses or phrases forminga syntactic unit which expresses anassertion, a question, a command, awish, an exclamation, or theperformance of an action, that inwriting usually begins with a capitalletter and concludes withappropriate end punctuation, andthat in speaking is distinguished bycharacteristic patterns of stress,pitch, andpauses and noun is a word that names person,place,things or events
