Word.ws English Dictionary

failed open

failed open is the simple past and past participle of fail open.

Meaning of fail open

Verb

fail open (third-person singular simple present fails open, present participle failing open, simple past and past participle failed open)

  1. 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.
    • Coordinate term: fail closed

Questions about failed open

What is failed open the simple past and past participle of?
Failed open is the simple past and past participle of fail open.

Words near failed open in the dictionary

  1. failed
  2. failed at life
  3. failed back syndrome
  4. failed closed
  5. failed fast
  6. failed open
  7. failed out
  8. failed over
  9. failed safe
  10. failed state
  11. failed states

Source and license

Adapted from Wiktionary: failed open (page history and authors); fail open (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: “failed open.” Word.ws, https://word.ws/failed_open. Based on Wiktionary, CC BY-SA 4.0.