anticlimax

putoaminen ylevästä arkipäiväiseen

antikliimaksi A failed or reverse climax, particularly:
puhekieltä An unsatisfying resolution to a narrative, usually owing to a deus ex machina or similarly trivial resolution of the main conflict.
puhekieltä An abrupt descent (either deliberate or unintentional) from the dignity of the idea which the speaker or writer appeared to be aiming for.