Definition

1. Adverb:
   • In ordinary language; not in code or cipher: Used to describe a message, communication, or text that is transmitted or written in plain, understandable language, as opposed to being encrypted or written in code.

Usage

• The term is used to specify that a communication is not secret or encoded. It is often applied in contexts like diplomacy, military communication, or telegraphy.
• It is typically placed after the verb it modifies or at the end of a clause.

Examples

• The sensitive instructions were sent en clair, much to the security team's dismay.
• "Is this message in code?" — "No, it's en clair; anyone can read it."
• For safety, never transmit passwords en clair over an unsecured network.

Advanced Usage

• In intelligence or historical contexts: Describing the practice of sending non-encrypted messages, often highlighting a security lapse.
  • During the war, intercepting messages sent en clair provided valuable intelligence.

Variants and Related Words

• In plain text: A more common modern phrase with a similar meaning, especially in computing.
  • The data should be encrypted, not stored in plain text.

Synonyms

• In plain language
• Uncoded
• Unencrypted
• In the clear

Antonyms

• Encrypted
• In code
• Ciphered
• Enciphered

Notes

• en clair is a loan phrase from French, literally meaning "in clear." It is used in English without translation, often in formal or technical contexts related to communication and security.

Adverb

1. in ordinary language