All bulletproof synonyms

adj bulletproof

• dense — Something that is dense contains a lot of things or people in a small area.
• impervious — not permitting penetration or passage; impenetrable: The coat is impervious to rain.
• impassable — not passable; not allowing passage over, through, along, etc.: Heavy snow made the roads impassable.
• unassailable — not open to attack or assault, as by military force or argument: unassailable fortifications; unassailable logic.
• untouchable — that may not be touched; of a nature such that it cannot be touched; not palpable; intangible.
• invulnerable — incapable of being wounded, hurt, or damaged.
• unbeatable — incapable of being beaten; impossible to defeat: an unbeatable football team.
• impregnable — susceptible to impregnation, as an egg.
• indomitable — that cannot be subdued or overcome, as persons, will, or courage; unconquerable: an indomitable warrior.
• irresistible — not resistible; incapable of being resisted or withstood: an irresistible impulse.
• impenetrable — not penetrable; that cannot be penetrated, pierced, entered, etc.
• indestructible — not destructible; that cannot be destroyed.
• protected — to defend or guard from attack, invasion, loss, annoyance, insult, etc.; cover or shield from injury or danger.
• close — When you close something such as a door or lid or when it closes, it moves so that a hole, gap, or opening is covered.
• compact — Compact things are small or take up very little space. You use this word when you think this is a good quality.
• firm — not soft or yielding when pressed; comparatively solid, hard, stiff, or rigid: firm ground; firm texture.
• hard — not soft; solid and firm to the touch; unyielding to pressure and impenetrable or almost impenetrable.
• hermetic — made airtight by fusion or sealing.
• impermeable — not permeable; impassable.
• inviolable — prohibiting violation; secure from destruction, violence, infringement, or desecration: an inviolable sanctuary; an inviolable promise.
• solid — having three dimensions (length, breadth, and thickness), as a geometrical body or figure.
• substantial — of ample or considerable amount, quantity, size, etc.: a substantial sum of money.
• thick — having relatively great extent from one surface or side to the opposite; not thin: a thick slice.
• insuperable — incapable of being passed over, overcome, or surmounted: an insuperable barrier.
• powerful — physically strong, as a person: a large, powerful athlete.
• strong — having, showing, or able to exert great bodily or muscular power; physically vigorous or robust: a strong boy.
• unconquerable — to acquire by force of arms; win in war: to conquer a foreign land.
• unyielding — unable to bend or be penetrated under pressure; hard: trees so unyielding that they broke in the harsh north winds.
• attack — To attack a person or place means to try to hurt or damage them using physical violence.
• unsurmountable — to mount upon; get on the top of; mount upon and cross over: to surmount a hill.
• secure — free from or not exposed to danger or harm; safe.
• ironclad — covered or cased with iron plates, as a ship for naval warfare; armor-plated.
• unbreakable — to smash, split, or divide into parts violently; reduce to pieces or fragments: He broke a vase.