anticlimactic

Adjective anticlimactic has 2 senses

• anticlimactic(a = adj.pert) anticlimactical - of or relating to a sudden change from an impressive to a ludicrous style;
Derived form noun anticlimax₂

• anticlimactic(a = adj.all) - coming after the climax especially of a dramatic or narrative plot; "everything after the discovery of the murderer was anticlimactic"
Derived form noun anticlimax₁
Antonym: climactic