backchannel
backchannel — noun
- backchannelsingular
- backchannelsplural
1. a way of exchanging messages or information that stays hidden from most people,
a way of exchanging messages or information that stays hidden from most people, often used during official events or in situations where open discussion would be risky
During the summit, staff members used a backchannel to share updates without reporters noticing.
collocation: use a backchannel
The two companies kept a backchannel open to discuss a possible partnership in secret.
A backchannel between the negotiators helped both sides reach a deal when public talks failed.
Mira received the news through a backchannel hours before the official announcement was made.
- private channel
less specific — can refer to any non-public communication, not necessarily secret
- secret channel
stronger emphasis on concealment; can sound more dramatic
- behind-the-scenes communication
more descriptive; common in journalism and politics
- public channel
a communication method open to all
- official channel
the approved or formal route for communication
用法筆記
Often used in contexts involving diplomacy, journalism, business negotiations, or online communities where participants need discretion.
常見錯誤
2. a small sound or gesture made by a listener during a conversation, such as noddi
a small sound or gesture made by a listener during a conversation, such as nodding or saying 'uh-huh,' that tells the speaker they are being followed and understood
Lara nodded frequently during the interview, offering backchannel signals to keep the speaker talking.
collocation: backchannel signal
Short sounds like 'mm-hmm' are common backchannel responses that show you are still listening.
example of common backchannel sounds
Without any backchannel from the listener, Emre felt unsure whether to continue his story.
Linguists study backchannel behaviour to understand how people take turns in conversation.
- listening cue
more specific to the listener's role; less technical
- feedback signal
broader — can include both verbal and non-verbal signals in any interaction
- minimal response
technical term in linguistics for brief verbal cues like 'mm-hmm' or 'yeah'
用法筆記
This is a technical term in conversation analysis (linguistics). In everyday English, people say 'listening sounds' or 'showing you are paying attention.'
backchannel — verb
- backchannelpresent simple I / you / we / they
- backchannels3rd person singular
- backchanneling-ing form
- backchanneledpast simple
1. to send messages or exchange information secretly with one or more people while
to send messages or exchange information secretly with one or more people while a main conversation, meeting, or event is happening, usually using a separate device or a hidden method
Staff members backchanneled through a messaging app while the director was still presenting.
backchannel + through + [device/app]
Tanvi and her teammates backchannel during long video calls to share quick reactions without interrupting.
The diplomats backchanneled to arrange a meeting that never appeared on any official schedule.
During the debate, the campaign team backchanneled to adjust their strategy in real time.
- communicate privately
more general and neutral; does not carry the 'during an event' nuance
- communicate off the record
common in journalism; implies the information should not be publicly attributed
- use side channels
more technical; often used in business or cybersecurity contexts
- speak openly
to communicate without secrecy or restriction
- address publicly
to share information in a public forum
文法句型
backchannel with [someone]
backchannel during [event]
backchannel about [topic]
用法筆記
Subject is usually a group or team. Frequently used with prepositions like 'with,' 'through,' or 'during.' Rarely used in the passive voice.
2. to make small sounds or physical gestures while someone is speaking, letting the
to make small sounds or physical gestures while someone is speaking, letting the speaker know you are following what they say
Kemi backchanneled with soft 'I see' comments while her colleague explained the problem.
backchannel + with [sound/gesture]
Xiu backchanneled by nodding gently while her roommate described the accident.
backchannel + by + [verb-ing]
A good listener backchannels naturally without interrupting the speaker's flow.
The therapist backchanneled regularly to encourage the client to keep sharing personal experiences.
- nod along
more specific (physical gesture only); common in everyday English
- show you are listening
explanatory phrase; not a single-word synonym but clearer for learners
- give listening cues
used in communication training and business contexts
文法句型
backchannel with [sound/gesture]
backchannel to show [that-clause]
用法筆記
This is a technical term from linguistics and conversation analysis. In everyday English, a speaker is more likely to say 'they nodded along' or 'they made listening noises.'