noun Critical assessment of a process or activity or of their results.
After you hand in your essays, I will give both grades and feedback.
noun The part of an output signal that is looped back into the input to control or modify a system.
noun The high-pitched howling noise heard when there is a loop between a microphone and a speaker.
verb 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.
The show ended with a riot of feedbacking guitars.
verb To provide informational feedback to.
His employees feedbacked him a lot more than he wanted.
verb To convey by means of specialized communications channel.
Customers feedbacked their complaints and some praise.