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feed back

B1 neutral separable both
In simple words

To tell someone what you think about their work or actions, or for a signal to loop back on itself.

Literal meaning: To feed (send) something back to its origin — the path is reversed.

Meanings

1 B1 neutral

To give information, opinions, or results back to the person or organisation that originally provided them.

"Could you feed back your thoughts on the draft by Friday so we can revise it?"

Grammar: separable
2 B2 neutral

(Technical) Of a signal or output: to loop back into the input of the same system, often causing interference.

"The microphone was too close to the speaker, causing the sound to feed back with a loud whine."

Grammar: inseparable
3 B2 idiomatic neutral

Of information or data: to flow back and influence the original system or process.

"Customer survey results feed back into our product development cycle."

Grammar: inseparable
Usage notes

Used in both business/educational contexts (giving opinions on work) and technical contexts (audio or electrical signal feedback). The noun 'feedback' is much more common than the verb phrase.

Commonly used with

results comments information data signal findings

Forms

Base
feed back
I/you/we/they
3rd person
feeds back
he/she/it
Past simple
feeded back
yesterday
Past participle
feeded back
have + pp
-ing form
feeding back
continuous

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Synonyms

report back respond give feedback relay return information

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