He thought that he had already had time to lose his temper with Ivan, to show coolness to his brother, and to talk flippantly with Katavasov.
There are no more uses of "flippant" in the book.
Show samples from other sources
Her response is entertaining, but the question deserves a less flippant answer.
Despite what those flippant "I’m a Mac/PC" ads would have you believe, Microsoft is not a shlub in a bad blazer and pleated khakis: it’s still the world’s largest software company and a force to be reckoned with.