Word.ws English Dictionary

fails open

fails open is the third-person singular simple present indicative 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 fails open

What is fails open the third-person singular simple present indicative of?
Fails open is the third-person singular simple present indicative of fail open.

Words near fails open in the dictionary

  1. failproof
  2. fails
  3. fails at life
  4. fails closed
  5. fails fast
  6. fails open
  7. fails out
  8. fails over
  9. fails safe
  10. fails up
  11. fails up the ladder

Source and license

Adapted from Wiktionary: fails 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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