Definitions

1. adverb

in a disappointingly unimpressive or unexciting way

“The fireworks display ended bathetically with a few faint sparks in the sky.”

2. adverb

in a way that is characteristic of bathos

“The sudden shift from grandeur to bathetically mundane details was jarring.”

3. noun

a quality of being bathetic

“The movie’s bathetic ending left the audience feeling underwhelmed.”