flip·pant
adjective/ˈflɪpənt/
/ˈflɪpənt/
(also informal flip)
(disapproving)- showing that you do not take something as seriously as other people think you should
轻率的；轻浮的 - a flippant answer/attitude
轻率的回答；轻浮的态度 - Sorry, I didn't mean to sound flippant.
对不起，我并不是故意油嘴滑舌的。 - You can’t afford to be flippant about such matters.
你不能对这些事情轻率。
Oxford Collocations DictionaryFlippant is used with these nouns:- remark
Word Originearly 17th cent.: from flip + -ant, perhaps on the pattern of heraldic terms such as couchant and rampant. Early senses included ‘nimble’ and ‘talkative’, hence ‘playful’, giving rise to the current use ‘lacking seriousness’. - a flippant answer/attitude