bulwarks Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. 1 a walllike structure used as a defense; 2 any person or thing giving strong support or encouragement in time of need or danger or doubt Example Sentence The enemy broke through the bulwarks. Synonyms support; safeguard; shield Antonyms weak point Hear It! Say It! Write It! bulwarks Switch to cursive Start Share with your friends: