# feedback

Pronunciation: US say "FEED-bak" /ˈfidˌbæk/; UK

## Noun

1. Comments that evaluate how a process or activity was carried out or what it produced.
   - Simple: Helpful comments about how well someone did something, so they can improve.
   - _The manager's feedback on the report helped the team revise its approach._
   - _Reviewers provided detailed feedback during the editing process._
2. A portion of a system's output signal that is routed back to its input to regulate or alter the system's behavior.
   - Simple: When part of a system's output is sent back into it to control how it works.
   - _Engineers added negative feedback to stabilize the amplifier's output._
   - _The control loop relies on feedback to keep the motor's speed constant._
3. The high-pitched howling noise produced when a loop forms between a microphone and a speaker.
   - Simple: The loud squealing sound that happens when a microphone gets too close to a speaker.
   - _The singer winced as feedback howled through the venue._
   - _Sound engineers adjust the levels carefully to avoid feedback._

## Verb

4. To provide someone with informational comments or assessments.
   - Simple: To give someone comments about how well they did something.
   - _The supervisor will feedback the staff once the survey closes._
   - _Managers are expected to feedback their teams regularly._
5. Of an instrument, to produce a high-frequency sound when its amplifier's output drives the instrument's sound generator into vibration.
   - Simple: To make a howling sound when an instrument's amplifier loops sound back into it.
   - _He let his guitar feedback for several seconds to end the song._
   - _The amp was cranked so high the bass started to feedback._
6. To convey information by means of a specialized communications channel.
   - Simple: To send information through a special communication channel.
   - _The probe feedbacks telemetry to engineers on the ground._
   - _Ground stations feedback the signals to the operations team._

## Origin

Formed from the combination of "feed" and "back."

Source: DictionaryAI, https://dictionaryai.com/define/feedback (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).