1
a
: the transmission of evaluative or corrective information about an action, event, or process to the original or controlling source
also
: the information so transmitted
b
: the partial reversion (see reversion sense 3a) of the effects of a process to its source or to a preceding stage
2
: the return to the input of a part of the output of a machine, system, or process (as for producing changes in an electronic circuit that improve performance or in an automatic control device that provide self-corrective action)
3
: a rumbling, whining, or whistling sound resulting from an amplified or broadcast signal (such as music or speech) that has been returned as input and retransmitted
Cite this Entry
“Feedback.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/feedback. Accessed 4 Sep. 2026.
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