Synonyms of bulletproof
- 1 Syllable
- strong
- 3 Syllables
- unyielding, armored, steel-plated, powerful
- 4 Syllables
- impregnable, inviolable, invincible, impassable, unbeatable, untouchable
- 5 Syllables
- indomitable, impenetrable, invulnerable, irresistible, unassailable, insuperable, unattackable, unconquerable, undefeatable, unsurmountable