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back channel

American  
[bak chan-l] / ˈbæk ˌtʃæn l /
Or backchannel

noun

  1. a secret, unofficial, or informal channel of communication as used in politics or diplomacy.

    sensitive information passed on through a back channel.


Other Word Forms

Etymology

Origin of back channel

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Muscat served as the back channel for talks between the United States and Iran in the lead-up to the 2015 nuclear deal and mediated several rounds of talks during Trump's second term.

From Barron's Jun. 18, 2026

The message went via a Pakistani facilitated back channel, Deputy Prime Minister Ishaq Dar has said.

From The Wall Street Journal Mar. 29, 2026

These talks went on for a month, completely in a back channel.

From Slate Nov. 24, 2025

In that email, Costello told Cohen he spoke with Giuliani, who “said thank you for opening this back channel of communication and asked me to keep in touch.”

From Salon May 21, 2024

At 2.35 p.m. camped on a back channel of the river, as the principal channel was difficult of access from the steep bank and dense growth of reeds.

From Journals of Australian Explorations by Augustus Charles Gregory

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