anticlimax

Từ điển Oxford Advanced Learner 8th

anti·cli·max [anticlimax anticlimaxes] BrE [ˌæntiˈklaɪmæks] NAmE [ˌæntiˈklaɪmæks] noun countable, uncountable
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
Derived Word: ↑anticlimactic

Example Bank:
•I'm afraid the party itself felt like a total anticlimax after all the other celebrations.
•There was no hiding the sense of anticlimax, if not downright disappointment.
•Travelling in Europe was something of an anticlimax after the years he'd spent in Africa.