Word.ws English Dictionary

first-class objects

first-class objects is the plural of first-class object.

Meaning of first-class object

Noun

first-class object (plural first-class objects)

  1. An entity that can be constructed at run-time, passed as a parameter, returned from a function, or assigned into a variable.
  2. An entity that can pass a value as a parameter, can be returned from a subroutine, and can be assigned into a variable. (This is the definition according to Raphael Finkel, who uses the terms of second- and third-class objects.)

Questions about first-class objects

What is first-class objects the plural of?
First-class objects is the plural of first-class object.

Words near first-class objects in the dictionary

  1. first-class continuation
  2. first-class continuations
  3. first-class entities
  4. first-class entity
  5. first-class object
  6. first-class objects
  7. first-class value
  8. first-class values
  9. first-come first-served
  10. first-come, first-served
  11. first-come-first-served

Source and license

Adapted from Wiktionary: first-class objects (page history and authors); first-class object (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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Cite this entry: “first-class objects.” Word.ws, https://word.ws/first-class_objects. Based on Wiktionary, CC BY-SA 4.0.