verb/ˈd͡ʒɛp.ə.dʌɪz//ˈd͡ʒɛp.ɚ.daɪz//ˈd͡ʒep.ə.dɑez/1To put in jeopardy, to threaten.UStransitiveAfter having an affair with a junior, her chances of promotion were seriously jeopardized.