precepts Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a basic rule or principle or directive that guides action or moral or conduct or thought Example Sentence Priests vow to follow the precepts of the Catholic Church. Synonyms rule of behavior; morality; principle; rule Antonyms misconduct Hear It! Say It! Write It! precepts Switch to cursive Start Share with your friends: