1 adjectives to describe bulletproof

Adj. defending &c v.; defensive; mural^; armed, armed at all points, armed cap-a-pie, armed to the teeth; panoplied^; iron-plated, ironclad; loopholed, castellated, machicolated^, casemated^; defended &c v.; proof against. armored, ballproof^, bulletproof; hardened.

1 adjectives to describe  bulletproof