Word Pronunciation & Dictionary

red box

Word Rarity Uncommon

Frequency: Zipf frequency 4.86 in modern English

Syllables
red box
IPA
16
Scrabble Score
6
Letters
1
Syllables
6
Unique Chars

Meaning

noun

A secure briefcase-like box used by ministers in the British government to carry their documents.

British usage

noun

A safe located at a nuclear installation containing launch codes.

American usage

noun

A "tornado watch" notification, indicating that conditions might lead to a tornado though none has yet been sighted.

American usage; Informal

Example Sentences

Usage

Inflected Forms

Frequently Paired Words

Synonyms

Questions

What does red box mean?
A phreaking device that generates tones to simulate the insertion of coins into a payphone, thus enabling the user to make illegitimate free calls.

How to pronounce red box

  1. Open the pronunciation page — Open the Speakur entry for “red box”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “red box”.
  4. Repeat and practice — Say “red box” aloud, matching stress and vowels until it feels natural.