adj · noun · verb · 8 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/ˈbʊlɪtpɹuːf/
British, Southern, Standard:/ˈbɵlɪtpɹʉwf/
General-American:/ˈbʊlɪtpɹuf/
Australian, New-Zealand:/ˈbʊlɪtpɹʉːf/
Australia:Recorded audio is listed in the source snapshot.
Scotland:/ˈbʉlɪtpɾʉf/
Northern-Ireland:/ˈbʉlɪtpɹʉf/
CMU ARPABET:B UH1 L AH0 T P R UW2 F
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Capable of withstanding a direct shot by a bullet fired from a gun.
Definition source: English Wiktionary via Wiktextract
Examples
bulletproof window
bulletproof vest
bulletproof car.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Reliable, infallible, sturdy or error-tolerant.
Definition source: English Wiktionary via Wiktextract
Usage: figuratively
Examples
bulletproof hosting
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
A liquor store
Definition source: English Wiktionary via Wiktextract
Usage: slang
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
verb
Meaning 4
To make proof against bullets.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
verb
Meaning 5
To make resistant to failure.
Definition source: English Wiktionary via Wiktextract
Usage: informal, transitive
Examples
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.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
adjective satellite
Meaning 6
not penetrable by bullets
Definition source: Princeton WordNet 3.0
Examples
bulletproof glass
bulletproof vest
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
adjective satellite
Meaning 7
without flaws or loopholes
Definition source: Princeton WordNet 3.0
Examples
an ironclad contract
a watertight alibi
a bulletproof argument
Meaning relationships
Synonyms: unassailable, unshakable, watertight
Antonyms: none provided
8
verb
Meaning 8
make bulletproof
Definition source: Princeton WordNet 3.0
Examples
bulletproof the car
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: proof
History
Etymology
Etymology tree English bullet English proof English -proof English bulletproof From bullet + -proof.
Across languages
Translations
51 source translations are retained for this English entry.
Afrikaans:
koeëlvas
— capable of withstanding a bullet
Belarusian:
куленепрабіва́льны
(kuljenjeprabiválʹny)
— capable of withstanding a bullet
Catalan:
antibales
— capable of withstanding a bullet
Catalan:
a prova de bales
— capable of withstanding a bullet
Chinese Mandarin:
防彈 /防弹
(fángdàn)
— capable of withstanding a bullet
Czech:
neprůstřelný
— capable of withstanding a bullet
Danish:
skudsikker
— capable of withstanding a bullet
Dutch:
kogelvrij
— capable of withstanding a bullet
Finnish:
luodinkestävä
— capable of withstanding a bullet
French:
pare-balle
— capable of withstanding a bullet
French:
blindé
— capable of withstanding a bullet
Galician:
antibalas
— capable of withstanding a bullet
Georgian:
ტყვიაგაუმტარი
(ṭq̇viagaumṭari)
— capable of withstanding a bullet
German:
kugelsicher
— capable of withstanding a bullet
German:
schusssicher
— capable of withstanding a bullet
German:
schussfest
— capable of withstanding a bullet
Greek:
αλεξίσφαιρος
(alexísfairos)
— capable of withstanding a bullet
Hungarian:
golyóálló
— capable of withstanding a bullet
Ido:
kuglespruva
— capable of withstanding a bullet
Indonesian:
tahan peluru
— capable of withstanding a bullet
Indonesian:
antipeluru
— capable of withstanding a bullet
Italian:
antiproiettile
— capable of withstanding a bullet
Japanese:
防弾
(bōdan)
— capable of withstanding a bullet
Kazakh:
оқ дарытпайтын
(oq darytpaityn)
— capable of withstanding a bullet
Kazakh:
оқ өтпейтін
(oq ötpeitın)
— capable of withstanding a bullet
Korean:
방탄의
(bangtanui)
— capable of withstanding a bullet
Malay:
kalis peluru
— capable of withstanding a bullet
Norwegian Bokmål:
skuddsikker
— capable of withstanding a bullet
Polish:
kuloodporny
— capable of withstanding a bullet
Portuguese:
à prova de balas
— capable of withstanding a bullet
Portuguese:
antibalas
— capable of withstanding a bullet
Romanian:
antiglonț
— capable of withstanding a bullet
Russian:
пуленепробива́емый
(puleneprobivájemyj)
— capable of withstanding a bullet
Slovak:
nepriestrelný
— capable of withstanding a bullet
Slovene:
neprebojen
— capable of withstanding a bullet
Spanish:
antibalas
— capable of withstanding a bullet
Spanish:
a prueba de balas
— capable of withstanding a bullet
Spanish:
blindado
— capable of withstanding a bullet
Swedish:
skottsäker
— capable of withstanding a bullet
Thai:
กันกระสุน
(gan-grà-sǔn)
— capable of withstanding a bullet
Turkish:
kurşun geçirmez
— capable of withstanding a bullet
Ukrainian:
куленепробивни́й
(kuleneprobyvnýj)
— capable of withstanding a bullet