Back channel
Back channel noun - An alternative to the regular channels of communication that is used when agreements must be made secretly (especially in diplomacy or government).
Usage example: they negotiated via a back channel
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Synonyms for Back channel
Line and back channel are semantically related. In some cases you can use "Line" instead a noun phrase "Back channel".
Line
Line noun - A series of persons or things arranged one behind another.
Back channel and line are semantically related. Sometimes you can replace phrase "Back channel" with "Line", this terms are similar.
Mutual synonyms
Cite this Source
Line and Back channel. (2017). Retrieved 2026, August 01, from https://thesaurus.plus/related/back_channel/line
Back channel & Line. N.p., 2017. Web. 01 Aug. 2026. <https://thesaurus.plus/related/back_channel/line>.
Line or Back channel. 2017. Accessed August 01, 2026. https://thesaurus.plus/related/back_channel/line.
Google Ngram Viewer shows how "back channel" and "line" have occurred on timeline