legacy systems

A form of legacy system — An old computer system or application program that continues to be used because the user (typically an organization) does not want to replace or redesign it.

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Meanings

noun
  1. pluralplural of legacy system
Cite this entry
APA

legacy systems. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/legacy%20systems

MLA

“legacy systems.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/legacy%20systems. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “legacy systems,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/legacy%20systems.

Source: legacy systems on Wiktionary, CC BY-SA 4.0.