Phrase guide

black box

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.

  • /ˈblæk.bɒx/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A flight recorder; the brightly colored cockpit voice recorders and flight data recorders in an aircraft designed to aid in determining the cause of an accident.

Definition source: English Wiktionary via Wiktextract

Usage: informal

Topics: aeronautics, aerospace, aviation, business, engineering, natural-sciences, physical-sciences

Examples

  • scrutinizing all utterances recorded by the black box

Meaning relationships

Synonyms: event recorder, opaque box, trip recorder

Antonyms: none provided

Broader terms: box

2

noun

Meaning 2

Any similar device on motor vehicles, such as rail event recorders and ship trip recorders.

Definition source: English Wiktionary via Wiktextract

Usage: broadly

Topics: transport

Examples

  • the pilothouse's analogue of an airliner's black box

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A theoretical construct or device with known input and output characteristics but unknown method of operation.

Definition source: English Wiktionary via Wiktextract

Examples

  • The authentication method and its details can be treated as a black box for purposes of this security architecture overview.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A device used in phreaking that prevents the calling party from being billed for the call placed.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

A type of theater characterized by a lack of decoration or complex mechanisms.

Definition source: English Wiktionary via Wiktextract

Usage: attributive

Topics: broadcasting, drama, dramaturgy, entertainment, film, lifestyle, media, television, theater

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

Synonym of football (“the leather briefcase containing classified nuclear war plans which is always near the US President”)

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: football

Antonyms: none provided

7

verb

Meaning 7

To focus on the inputs and outputs without worrying about the internal complexity.

Definition source: English Wiktionary via Wiktextract

Usage: transitive

Qualifier: web development

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

8

noun

Meaning 8

equipment that records information about the performance of an aircraft during flight

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: recorder, recording equipment, recording machine

History

Etymology

* Since c. 1945 in both main senses (that is, event recorders and objects with unknown innards), which are historically related to each other; for details, see black box § History and flight recorder § Terminology. * (a type of theater): Such theaters are often painted black.

Across languages

Translations

71 source translations are retained for this English entry.

  • Antillean Creole: bwèt nwè — recorders in an aircraft
  • Arabic: صُنْدُوق أَسْوَد (ṣundūq ʔaswad) — recorders in an aircraft
  • Belarusian: чо́рная скры́ня (čórnaja skrýnja) — recorders in an aircraft
  • Bulgarian: че́рна кути́я (čérna kutíja) — recorders in an aircraft
  • Carpathian Rusyn: чо́рна скри́нька (čórna skrýnʹka) — recorders in an aircraft
  • Catalan: caixa negra — recorders in an aircraft
  • Chinese Mandarin: 黑箱 (hēixiāng) — recorders in an aircraft
  • Chinese Mandarin: 黑匣子 (hēixiázi) — recorders in an aircraft
  • Chinese Mandarin: 黑盒子 (hēihézi) — recorders in an aircraft
  • Czech: černá skříňka — recorders in an aircraft
  • Dutch: zwarte doos — recorders in an aircraft
  • Estonian: must kast — recorders in an aircraft
  • Finnish: musta laatikko — recorders in an aircraft
  • French: boîte noire — recorders in an aircraft
  • German: Flugschreiber — recorders in an aircraft
  • German: Blackbox — recorders in an aircraft
  • Hebrew: קופסה שחורה (kufsá sh'khorá) — recorders in an aircraft
  • Hindi: ब्लैक बॉक्स (blaik bŏks) — recorders in an aircraft
  • Hungarian: feketedoboz — recorders in an aircraft
  • Indonesian: kotak hitam — recorders in an aircraft
  • Irish: bosca dubh — recorders in an aircraft
  • Italian: scatola nera — recorders in an aircraft
  • Italian: registratore di volo — recorders in an aircraft
  • Japanese: ブラックボックス (burakku bokkusu) — recorders in an aircraft
  • Korean: 블랙박스 (beullaekbakseu) — recorders in an aircraft
  • Latvian: melnā kaste — recorders in an aircraft
  • Macedonian: цр́на ку́тија (cŕna kútija) — recorders in an aircraft
  • Malay: kotak hitam — recorders in an aircraft
  • Norwegian Bokmål: svart boks — recorders in an aircraft
  • Norwegian Nynorsk: svart boks — recorders in an aircraft
  • Persian: جعبه سیاه (ja'be-ye siyâh) — recorders in an aircraft
  • Polish: czarna skrzynka — recorders in an aircraft
  • Portuguese: caixa-preta — recorders in an aircraft
  • Portuguese: caixa-negra — recorders in an aircraft
  • Romanian: cutie neagră — recorders in an aircraft
  • Romanian: înregistrător de zbor — recorders in an aircraft
  • Russian: чёрный я́щик (čórnyj jáščik) — recorders in an aircraft
  • Serbo-Croatian: црна кутија — recorders in an aircraft
  • Serbo-Croatian: crna kutija — recorders in an aircraft
  • Slovak: čierna skrinka — recorders in an aircraft
  • Slovene: črna škatla — recorders in an aircraft
  • Spanish: caja negra — recorders in an aircraft
  • Swedish: svart låda — recorders in an aircraft
  • Tamil: கருப்புப்பெட்டி (karuppuppeṭṭi) — recorders in an aircraft
  • Tamil: கரும்பெட்டி (karumpeṭṭi) — recorders in an aircraft
  • Thai: กล่องดํา (glɔ̀ng-dam) — recorders in an aircraft
  • Turkish: kara kutu — recorders in an aircraft
  • Ukrainian: чо́рний я́щик (čórnyj jáščyk) — recorders in an aircraft
  • Ukrainian: чо́рна скри́нька (čórna skrýnʹka) — recorders in an aircraft
  • Vietnamese: hộp đen — recorders in an aircraft
  • Welsh: blwch du — recorders in an aircraft
  • Arabic: صُنْدُوق أَسْوَد (ṣundūq ʔaswad) — theoretical construct or device
  • Catalan: caixa negra — theoretical construct or device
  • Chinese Mandarin: 黑箱 (hēixiāng) — theoretical construct or device
  • Chinese Mandarin: 黑盒 (hēihé) — theoretical construct or device
  • Czech: černá skříňka — theoretical construct or device
  • Finnish: musta laatikko — theoretical construct or device
  • French: boîte noire — theoretical construct or device
  • German: Blackbox — theoretical construct or device
  • Hebrew: קופסה שחורה (kufsá sh'khorá) — theoretical construct or device
  • Irish: bosca dubh — theoretical construct or device
  • Italian: scatola nera — theoretical construct or device
  • Japanese: ブラックボックス (burakku bokkusu) — theoretical construct or device
  • Korean: 블랙박스 (beullaekbakseu) — theoretical construct or device
  • Polish: czarna skrzynka — theoretical construct or device
  • Portuguese: caixa-preta — theoretical construct or device
  • Portuguese: caixa-negra — theoretical construct or device
  • Romanian: cutie neagră — theoretical construct or device
  • Russian: чёрный я́щик (čórnyj jáščik) — theoretical construct or device
  • Spanish: caja negra — theoretical construct or device
  • Turkish: karanlık kutu — theoretical construct or device