different between foolproof vs bulletproof

English

Etymology

From fool +? -proof.

Pronunciation

• IPA^(key): /?fu?l ?p?u?f/

Adjective

foolproof (comparative more foolproof, superlative most foolproof)

1. (of a device) Protected against, or designed to be proof against, misuse or error.
2. (of an idea or plan) Certain to succeed in all eventualities, or claimed to be so; infallible.

Derived terms

• foolproofly
• foolproofness

Related terms

• bulletproof
• dummy-proof
• idiot-proof

Translations

Verb

foolproof (third-person singular simple present foolproofs, present participle foolproofing, simple past and past participle foolproofed)

1. (transitive) To make foolproof.

English

Alternative forms

• bullet-proof

Etymology

bullet +? -proof

Pronunciation

• IPA^(key): /b?l.?tp?u?f/
• Hyphenation: bul?let?proof

Adjective

bulletproof (comparative more bulletproof, superlative most bulletproof)

1. (of a material) Capable of withstanding a direct shot by a bullet fired from a gun.

   A bulletproof window.

   A bulletproof vest.

2. (idiomatic) Reliable, infallible, sturdy or error-tolerant.
3. (usually of an idea or concept) Unbreakable, very tough.

Synonyms

• (infallible): foolproof

Derived terms

• bulletproof hosting
• bulletproof host
• bulletproof vest

Translations

Verb

bulletproof (third-person singular simple present bulletproofs, present participle bulletproofing, simple past and past participle bulletproofed)

1. To make proof against bullets.
2. (slang) to make resistant to failure.

   We have to bulletproof this program before we let the users at it; check every input, catch every possible flaw...it must not fail in use.