Definition

1. Noun:
   • Information or statements of opinion about something, such as a new product or a person's work, that provide an idea of whether it is successful or liked: "Feedback" can refer to comments, criticism, or evaluations given to help improve performance or a product.
   • (Electronics, Biology, Systems) The process by which a system regulates itself by returning part of its output as input: In technical contexts, "feedback" describes a control mechanism where a portion of the output signal is looped back to the input to control the system's behavior.

Usage Examples

• Noun (General Evaluation):
  • The manager asked for feedback on the new policy.
  • I received positive feedback from my teacher on the essay.
• Noun (Technical Process):
  • The audio system produced a loud screech due to microphone feedback.
  • Negative feedback is essential for maintaining homeostasis in the human body.

Advanced Usage

• "to give/provide feedback": to offer an evaluation or response.
  • Please give me your honest feedback on the presentation.
• "to receive/get feedback": to obtain an evaluation or response.
  • We got a lot of useful feedback from the beta testers.
• "feedback loop": a system structure where the output influences the input, creating a cycle of cause and effect.
  • The thermostat uses a feedback loop to maintain the room temperature.

Variants and Related Words

• Feed back (verb phrase): To return part of an output to the input. (Note: This is a phrasal verb, distinct from the noun "feedback").
  • The data feeds back into the central computer for analysis.

Synonyms

• Response: a verbal or written answer.
• Evaluation: the making of a judgment about the amount, number, or value of something.
• Critique: a detailed analysis and assessment.
• Comment: an expressed opinion or reaction.

Related Phrases

• Constructive feedback: Helpful criticism intended to encourage improvement.
  • Her constructive feedback helped me revise the project successfully.
• Feedback mechanism: The specific process or structure that enables feedback in a system.
  • The body's temperature regulation relies on a complex feedback mechanism.

Idioms

• A feedback session: A meeting organized specifically to gather opinions and comments.
  • After the workshop, we held a brief feedback session.

Noun

1. response to an inquiry or experiment
2. the process in which part of the output of a system is returned to its input in order to regulate its further output