noun
A disappointing or trivial conclusion after a build-up of tension or expectation. Used in literary, film, and everyday contexts.
映画のラストはアンチクライマックスで、観客はがっかりした。
The movie's ending was an anticlimax, and the audience was disappointed.
彼のスピーチは盛り上がった
His speech built up excitement, but the conclusion was an anticlimax.