Word.ws English Dictionary

callback hell

callback hell noun: the situation (chiefly in JavaScript) where callbacks are nested within other callbacks several levels deep, making it difficult to understand and maintain the code.

Noun

callback hell (uncountable)

  1. (colloquial) The situation (chiefly in JavaScript) where callbacks are nested within other callbacks several levels deep, making it difficult to understand and maintain the code.
    • However, the use of callbacks can lead to a maintainability issue known as callback hell. We will now write a real-life example to showcase what a callback hell is and how easily we can end up dealing with it.2015, Remo H. Jansen, Learning TypeScript

Questions about callback hell

What does callback hell mean?
Callback hell means the situation (chiefly in JavaScript) where callbacks are nested within other callbacks several levels deep, making it difficult to understand and maintain the code.
What part of speech is callback hell?
Callback hell is a noun.

Words near callback hell in the dictionary

  1. callawapore
  2. callawapores
  3. Callaway
  4. Callaway County
  5. callback
  6. callback hell
  7. callbacks
  8. callboard
  9. callboards
  10. callbook
  11. callbooks

Source and license

Adapted from Wiktionary: callback hell (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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