(also informal flip) adjective
showing that you do not take sth as seriously as other people think you should:
a flippant answer / attitude * Sorry, I didn't mean to sound flippant. * You can't afford to be flippant about such matters.
flippancy noun [U]:
His flippancy conceals a deep insecurity.
flippantly adverb:
'Oh dear,' he said flippantly.
