- 1[intransitive] (of a plan or joke) to fail to have the effect that you had intended synonym go wrong The boys didn't know that their plot had misfired.
- 2(also miss) [intransitive] (of an engine) to not work correctly because the gas does not burn at the right time The car sometimes misfires in cold weather.
- 3[intransitive] (of a gun, etc.) to fail to send out a bullet, etc. when fired My rifle misfired twice. compare backfire
NAmE//ˌmɪsˈfaɪər//Verb Forms present simple I / you / we / they misfire
he / she / it misfires
past simple misfired
-ing form misfiring
misfirejump to other results
NAmE//ˈmɪsˌfaɪər//noun How do you repair an engine misfire? the misfire of a weapon