feedback

Meanings

Noun

• Critical assessment of a process or activity or of their results.
• 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.

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.
• To provide informational feedback to.
• To convey by means of specialized communications channel.

Related

Narrower meaning words

• negative feedback
• positive feedback

Origin

• From feed + back.