Definitions for callback

This page provides all possible meanings and translations of the word callback

Random House Webster's College Dictionary


or call′-back`

  1. a summoning of workers back to work after a layoff.

    Category: Common Vocabulary, Business

  2. a request to a performer to return for further auditioning.

    Category: Showbiz

  3. a return telephone call.

    Category: Common Vocabulary

Origin of callback:


Princeton's WordNet

  1. recall, callback(noun)

    a request by the manufacturer of a defective product to return the product (as for replacement or repair)


  1. callback(Noun)

    The return of a situation to a previous position or state.

  2. callback(Noun)

    A return telephone or radio call; especially one made automatically to authenticate a logon to a computer network

  3. callback(Noun)

    A product recall because of a defect or safety concern.

  4. callback(Noun)

    A function pointer passed to another function that the latter can call for notification purposes.

  5. callback(Noun)

    a follow-up audition (casting)

  6. callback(Noun)

    a joke which references an earlier joke in the same routine


  1. Callback

    In computer programming, a callback is a piece of executable code that is passed as an argument to other code, which is expected to call back the argument at some convenient time. The invocation may be immediate as in a synchronous callback or it might happen at later time, as in an asynchronous callback. The ways that callbacks are supported in programming languages differ, but they are often implemented with subroutines, lambda expressions, blocks, or function pointers.


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