feedback

noun

feed·​back ˈfēd-ˌbak 

1

a

: the transmission of evaluative or corrective information about an action, event, or process to the original or controlling source

also : the information so transmitted

b

: the partial reversion (see reversion sense 3a) of the effects of a process to its source or to a preceding stage

2

: the return to the input of a part of the output of a machine, system, or process (as for producing changes in an electronic circuit that improve performance or in an automatic control device that provide self-corrective action)

3

: a rumbling, whining, or whistling sound resulting from an amplified or broadcast signal (such as music or speech) that has been returned as input and retransmitted

Examples of feedback in a Sentence

The company uses customer feedback to improve its products.

He asked for some feedback from his boss.

The computer makes adjustments based on feedback from the sensors.

We were getting some feedback from the microphone.

Recent Examples on the Web

The feedback loop in action Keep watching, and the algorithm may keep serving up more of the same. — Bilin Lin, Fortune, 10 Oct. 2026

If problematic language is detected, a warning will be sent to Hasan, who can then contact the teacher to understand the context and provide feedback, Hasan said in the September webinar. — ABC News, 9 Oct. 2026

Toward fault-tolerant computing Real-time feedback could help future quantum processors manage errors throughout extended calculations. — Aamir Khollam, Interesting Engineering, 9 Oct. 2026

Lorne Michaels took a liking to him (while disliking his predecessor) and took him under his wing, valuing his creative sense by asking for his feedback on writer packages and taking him to auditions. — Nellie Andreeva, Deadline, 9 Oct. 2026

Word History

First Known Use

1918, in the meaning defined at sense 2

Phrases Containing feedback

• feedback inhibition
• negative feedback
• positive feedback

Rhymes for feedback

• aback
• attack
• backpack
• backtrack
• bareback
• blackjack
• brownback
• buyback
• callback
• cognac
• comeback
• cutback

Kids Definition

feedback

noun

feed·​back ˈfēd-ˌbak 

1

a

: the return to the input of a part of the output of a machine, system, or process

b

: noise resulting from the feedback of an amplified or broadcast signal

2

: the giving or sending of information or of something from which information can be obtained about the value, effect, or result of an action or process to the controlling source

also : the information or information-containing material so given or sent

Medical Definition

feedback

noun

feed·​back ˈfēd-ˌbak 

1

: the return to the input of part of the output of a machine, system, or process (as for producing changes in an electronic circuit that improve performance or in an automatic control device that provide self-corrective action)

2

a

: the partial reversion of the effects of a process to its source or to a preceding stage

b

: the return to a point of origin of evaluative or corrective information about an action or process

patient feedback was solicited

also : the information so transmitted