The reason Hippos are the most dangerous and most feared is because hippos kill more people in Africa then all the carnivores combined. Hippos are very territorial and will flip your boat and drown you in the water, stomp the crap out of you, or just bite down on you.
Noun. 1. jeopardy-a source of danger; a possibility of incurring loss or misfortune; drinking alcohol is a health hazard. endangerment, hazard, peril, risk. danger-a cause of pain or injury or loss; he feared the dangers of traveling by air. health hazard-hazard to the health of those exposed to it.
1 : exposure to or imminence of death, loss, or injury : danger placing their lives in jeopardy workers in jeopardy of losing their jobs. 2 law : the danger that an accused person is subjected to when on trial for a criminal offense.