1. an ending to an episode of a serial drama that leaves the audience in suspense: "it will take more than outrageous cliffhangers to win the ratings wars"
▪ a story or event with a strong element of suspense:"the game was a cliffhanger right up to the final buzzer"
Word Origin1930s: from early film serials in which episodes ended with characters in desperate situations such as hanging off the edge of a cliff.