feed back

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Definition
  1. Verb (Transitive):
    • To provide information or opinions about something as a reaction or response, especially to help improve it.
    • To return part of the output of a system (e.g., sound, data, electrical signal) to its input, often to control or modify the system's performance.
Usage
  • The verb "feed back" is commonly used in technical, professional, and evaluative contexts.
  • It can be used with a direct object (what is being fed back) and often includes an indirect object or a prepositional phrase (to whom or where it is fed back).
  • Example: "The microphone feeds back a high-pitched squeal when placed too close to the speaker." (Here, the sound output is returned to the input, creating a loop).
Examples
  • Verb:
    • "Please feed back your comments to the design team by Friday."
    • "The survey results were fed back into the planning process."
    • "The amplifier will feed back if the gain is set too high."
Advanced Usage
  • "To feed something back into something": To reintroduce a result or product into a process or system.
    • The profits are fed back into the company for further research.
  • "To feed back on something": To give a response or evaluation concerning a specific subject.
    • The manager will feed back on your presentation tomorrow.
Variants and Related Words
  • Feedback (n): The information, response, or signal that is returned.
    • We received positive feedback from our customers.
    • The audio system has too much feedback.
  • Feeding back (v, present participle): The act of providing a response or returning a signal.
    • The system is feeding back data in real-time.
Synonyms
  • Respond: To say or do something as a reaction.
  • Report: To give a formal account or statement.
  • Return: To send, put, or give something back.
  • Loop: (In technical contexts) To cause a signal to return to its source.
Related Phrasal Verbs
  • (No distinct phrasal verbs beyond the base form "feed back"). The term itself functions as a phrasal verb.
Related Idioms
  • (No common idioms directly use "feed back"). The concept is typically expressed by the noun "feedback" in idioms like "feedback loop" (a process where the output of a system influences its own input).
Verb
  1. respond to a query or outcome
  2. submit (information) again to a program or automatic system

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