The term 'bathos' has a few different senses or meanings: 1: triteness or triviality of style; 2: a change from a serious subject to a disappointing one; 3: insincere pathos
An example of bathos referring to the dictionary definition;
'A ludicrous descent from the exhaulted or lofty to the commonplace; anticlimax'
In an area of formality, a sudden drop in tone, eg:
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I think I've figured it out. Bathos is used for comical effect. For example; If we look at this example from the novel Pride and Prejudice, written by Jane Austen "When Lydia went away she promised...