feedback
/ˈfiːdˌbæk/noun
Definitions
Critical assessment of a process or activity or of their results.
Example: After you hand in your essays, I will give both grades and feedback.
Synonyms:assessmentcritiqueestimationevaluation(control theory) The part of an output signal that is looped back into the input to control or modify a system.
The high-pitched howling noise heard when there is a loop between a microphone and a speaker.
Synonyms:Larsen effectaudio feedbackhowlbackhowlround
verb
Definitions
To generate the high-frequency sound by allowing a speaker to cause vibration of the sound generator of a musical instrument connected by an amplifier to the speaker.
Example: The show ended with a riot of feedbacking guitars.
To provide informational feedback to.
Example: His employees feedbacked him a lot more than he wanted.
To convey by means of specialized communications channel.
Example: Customers feedbacked their complaints and some praise.