jeopardy UK /ˈd͡ʒɛpədi/US /ˈd͡ʒɛpɚdi/noun 1verb 1forms 3 noun1 •Danger of failure, harm, or loss.The poor condition of the vehicle put its occupants in constant jeopardy. verb1 •(no longer used) To jeopardize; to endanger. formsjeopardied · jeopardying · jeopardies