Word.ws English Dictionary

failed closed

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

Meaning of fail closed

Verb

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

  1. Of an access control system: to automatically block all traffic in the case of a failure. For example, an electronic safe becoming impossible to unlock in the event of a power outage.
    • Coordinate term: fail open

Questions about failed closed

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

Words near failed closed in the dictionary

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

Source and license

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