knightess Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a female knight or a woman who has been honored for her bravery. Example Sentence The knightess went into the battle. More Example Sentences The knightess was honored for her courage. Synonyms female knight; warrior; champion Antonyms male knight Hear It! Say It! Write It! knightess Switch to cursive Start Share with your friends: