open/closed principle

A form of open-closed principle — A principle that states that software entities (such as classes, modules, and functions) should be open for extension, but closed for modification.

Meanings

proper nounthe open/closed principle
  1. alternativeobject-oriented programmingcomputingAlternative spelling of open-closed principle.
Cite this entry
APA

open/closed principle. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/open%2Fclosed%20principle

MLA

“open/closed principle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/open%2Fclosed%20principle. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “open/closed principle,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/open%2Fclosed%20principle.

Source: open/closed principle on Wiktionary, CC BY-SA 4.0.