/ ˌæntiˈklaɪmæks; NAmE / noun
[ C , U ] a situation that is disappointing because it happens at the end of sth that was much more exciting, or because it is not as exciting as you expected :
Travelling in Europe was something of an anticlimax after the years he'd spent in Africa.
a sense / feeling of anticlimax
—compare climax
► anti·cli·mac·tic / ˌæntiklaɪˈmæktɪk; NAmE / adjective