Answer: misfired

AnswerCrossword Clue
MISFIREDDidn't go off
MISFIREDWent awry
MISFIREDWas a dud
MISFIREDDidn't ignite properly
misfired(of a nerve cell) Fail to transmit an electrical impulse at an appropriate moment
misfired(of an internal combustion engine) Undergo failure of the fuel to ignite correctly or at all
misfired(esp. of a plan) Fail to produce the intended result
misfired(of a gun or missile) Fail to discharge or fire properly
misfiredMISFIRE, to fail to fire