1. protected or defended by a bulwark; fortified or strengthened

1. past tense and past participle of bulwark; to protect, defend, or strengthen with or as if with a bulwark

Examples

• The castle was bulwarked against enemy attacks with thick stone walls.
• Freedom of speech is bulwarked by the First Amendment.
• The company bulwarked its market position through strategic partnerships.
• The coastal town was bulwarked by a series of defensive fortifications.
• Democratic institutions are bulwarked by checks and balances.
• The team bulwarked their defense with additional players in the second half.