| CHILDPROOF | • childproof adj. Designed to be unable for a child to use, operate, or open. • childproof adj. Made safe for children.
 • childproof adj. Made safe from children; resistant to damage by children.
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| CRUSHPROOF | • crushproof adj. Strong enough to resist being deformed or crushed when subjected to more than normal physical stress or pressure. • CRUSHPROOF adj. resistant to crushing.
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| FLAMEPROOF | • flameproof adj. Resistant to catching fire. • flameproof v. (Transitive) To make flameproof.
 • FLAMEPROOF adj. resistant to burning.
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| IDIOTPROOF | • idiotproof adj. Alternative form of idiot-proof. • idiotproof v. Alternative form of idiot-proof.
 • idiot-proof adj. (Informal, humorous) Incapable of being misused even by the most stupid or careless of users.
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| LIGHTPROOF | • lightproof adj. Sealed so that no light can enter. • LIGHTPROOF adj. impervious to light, also LIGHTTIGHT.
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| MICROPROOF | • microproof adj. That may be used in a microwave oven without damage. | 
| SHELLPROOF | • shellproof adj. Resistant to shelling. • SHELLPROOF adj. capable of resisting shells or bombs.
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| SHOCKPROOF | • shockproof adj. Made sturdily enough to withstand knocks and shocks without being damaged. • shockproof adj. Protected from imparting electric shocks.
 • shockproof v. (Transitive) To protect from imparting electric shocks.
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| SMOKEPROOF | • smokeproof adj. Resistant to smoke. • smoke␣proof n. (Typography, now chiefly historical) A temporary print made from a thin coating of carbon deposited…
 • SMOKEPROOF adj. proof against smoke.
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| SOUNDPROOF | • soundproof adj. Not allowing sound through. • soundproof v. To make resistant to transmitting sound.
 • SOUNDPROOF adj. impenetrable by sound.
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| STAINPROOF | • stainproof adj. Resistant to stains. • stainproof v. (Transitive) To make resistant to stains.
 • STAINPROOF adj. proof against stains.
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| STORMPROOF | • stormproof adj. Capable of resisting a storm. • storm-proof adj. Alternative form of stormproof.
 • STORMPROOF adj. proof against bad weather.
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| SWEATPROOF | • sweatproof adj. Resistant to sweat. | 
| SWORDPROOF | • swordproof adj. Resistant to blows of a sword. • SWORDPROOF adj. proof against swords.
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| THORNPROOF | • thornproof adj. Resistant to tearing by thorns. • THORNPROOF adj. proof against thorns.
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| UNDERPROOF | • underproof adj. Having a lower alcohol content than proof spirit. • underproof v. (Baking) To proof insufficiently.
 • UNDERPROOF adj. containing less alcohol than proof spirit.
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| WATERPROOF | • waterproof adj. Resistant to the effects of water. • waterproof adj. Made of or covered with material that doesn’t allow water in.
 • waterproof adj. (Figurative) Incapable of failing; unassailable.
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