failing open

A form of fail open — Of an access control system: to automatically let all traffic through in the case of a failure. For example, an emergency door unlocking in the event of a power outage.

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Meanings

verb
  1. gerundparticiplepresentpresent participle and gerund of fail open
Cite this entry
APA

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

MLA

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

Chicago

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

Source: failing open on Wiktionary, CC BY-SA 4.0.