feedback

feed-back · noun

imported

Definitions

noun

  1. 1.

    Information or reactions about a product, performance, or task used as a basis for improvement.

  2. 2.

    (electronics) The return of part of an output signal to the input, often causing a high-pitched noise.

  3. 3.

    (biology) A process in which the output of a system influences its own input.

Phrases & expressions

  • •
    positive feedback — Encouraging response; or a loop that amplifies change
  • •
    negative feedback — Critical response; or a loop that stabilizes a system
  • •
    feedback loop — A cycle where outputs become inputs
  • •
    constructive feedback — Helpful criticism aimed at improvement

Related words

See also: input, reaction, response
Synonyms: comments, input, reaction, response

Etymology

A compound word from "feed" + "back," coined in the 1920s originally as an electronics term. The metaphorical sense of "response to information" developed in the mid-20th century.