adj Uncommon

bulletproof

BUU-lihtp-roof

Bulletproof (adj) means Able to stop a bullet fired from a gun. Example: “The officer wore a bulletproof vest under her uniform.”

adj

Able to stop a bullet fired from a gun.

"The officer wore a bulletproof vest under her uniform."

So reliable or well-designed that it can't fail or be challenged.

"His alibi was bulletproof — there was no way to disprove it."

verb

To make something resistant to failure or attack.

"They spent months bulletproofing the contract against legal challenges."

How to use bulletproof

Learner’s notes

In plain EnglishAble to stop bullets, or figuratively so solid it can't be broken or disproven.

Common pairings

bulletproof vest bulletproof glass bulletproof argument

Word forms

more bulletproof comparative, bulletproofed past tense, bulletproofs plural, bulletproofs singular, most bulletproof superlative

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The officer wore a _____ vest under her uniform.

Etymology

From bullet + proof, "resistant to."

Rhymes for bulletproof

oof roof goof poof hoof woof boof aloof proof spoof sunroof foolproof

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Frequently asked questions

What does “bulletproof” mean?

The word “bulletproof” means able to stop a bullet fired from a gun. In plain terms, able to stop bullets, or figuratively so solid it can't be broken or disproven.

How do you pronounce “bulletproof”?

“Bulletproof” is pronounced BUU-lihtp-roof (/ˈbʊlɪtpɹuf/ in IPA).

How do you use “bulletproof” in a sentence?

Here is “bulletproof” used in a sentence: “The officer wore a bulletproof vest under her uniform.”

What part of speech is “bulletproof”?

Depending on how it is used, “bulletproof” can be an adjective and a verb.

Is “bulletproof” a common word?

“Bulletproof” is an uncommon word in modern English.

How many meanings does “bulletproof” have?

“Bulletproof” has 3 distinct senses listed in this dictionary. The most common is: able to stop a bullet fired from a gun.

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