The letter before her was short, but its few words, which had leapt into her brain before she was conscious of reading them, told a long history—a history over which, for the last four years, the friends of the writer had smiled and shrugged, viewing it merely as one among the countless "good situations" of the mundane comedy.
There are no more uses of "mundane" in the book.
Show samples from other sources
I’m going to have to spend all of Saturday running errands and doing mundane chores.
Her art mesmerizes us with mundane objects by blowing them out of proportion.