Meaning

1 senses
  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

Forms

fails closed, failing closed, failed closed, failed closed
Base formfail closed · to fail closed
3rd person singularfails closed
Present participlefailing closed
Past simplefailed closed
Past participlefailed closed

irregular

Present simpleLesson

I, you, we, theyfail closed
he, she, itfails closed

Past simpleLesson

all personsfailed closed

Present perfectLesson

I, you, we, theyhave failed closed
he, she, ithas failed closed

Future simple (will)Lesson

all personswill fail closed

See also

neighbours in the dictionary
fail closed — meaning, examples, forms, synonyms | Krumeto