# feedback

> English word · Noun · IPA /ˈfiːdˌbæk/ · frequency rank #4,157

## Definitions
1. Critical assessment of a process or activity or of their results.
2. The part of an output signal that is looped back into the input to control or modify a system.
3. The high-pitched howling noise heard when there is a loop between a microphone and a speaker.

## Etymology
From feed + back.

## Common misspellings (12)
`efedback`, `fedback`, `fedeback`, `feebdack`, `feedabck`, `feedbacck`, `feedbackk`, `feedbakc`, `feedbback`, `feedbcak`, `feeddback`, `ffeedback`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/feedback