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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.

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

It is possible that back channel contacts could well produce a ceasefire, followed by a return to talks.

From BBC • Mar. 1, 2026

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

From Slate • Nov. 24, 2025

The only reason there wasn’t one was because what at high water must have been a very considerable back channel took out at this point and acted as a sort of safety-valve.

From Down the Columbia by Freeman, Lewis R. (Lewis Ransome)

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