What is another word for misfiring?
Pronunciation: [mˈɪsfa͡ɪ͡əɹɪŋ] (IPA) 
When a machine or device is not functioning properly, it is said to be misfiring. Other synonyms for this word include malfunctioning, misbehaving, failing, glitching, stalling, and breaking down. When talking about people, misfiring can be described as messing up, failing to perform, faltering, fumbling, slipping up, or making an error. In the field of medicine, misfiring can refer to a medical condition like arrhythmia, where the heart is not pumping blood properly. In the context of firearms, misfiring means the firearm has failed to fire a round. Regardless of the context, misfiring suggests that something isn't working the way it should.
