During all those years he had never heard from any of his masters a flippant word: it was they who had taught him christian doctrine and urged him to live a good life and, when he had fallen into grievous sin, it was they who had led him back to grace.
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.