2. Etymology: literally "depth", but figuratively "dull" or "inane", generally to a ludicrous degree.
The term has been misused with pathos, which is something entirely different: the Greek pathos, like the Latin passio, means "suffering", and a pathetic work is one which depicts, or elicits, suffering.
When a captious reviewer denounces a comic's "pathetic" attempts to be funny, what she or he really means is "bathetic".
Clarice walked across the street, lifting her skirt to avoid the puddle, only to create a picture of bathos by stepping into the manure left by a passing horse.
The stage play, based on the story of a farm boy, created a sense of pathos in the audience as they remembered their own experiences.
Because of the melodramatic bathos of the film, Shelby found it difficult to generate any genuine pathos for the main character.