misfire

Short definition from Wiktionary

Noun

1. 1
   An act of misfiring.
2. 2
   A failure.

Verb

1. 1
   To fail to discharge properly.
2. 2
   To fail to ignite in the proper sequence.
3. 3
   To initiate an action potential without the proper stimulus.
4. 4
   To fail to achieve the anticipated result.