flippant

/ˈflɪpənt/
adjective
  1. Not showing enough respect or seriousness; treating a serious topic in a light, casual way.
    • The teacher warned the student that flippant answers would not be accepted during the exam.
    • His flippant remark about the accident upset everyone in the room.
    • She gave a flippant shrug when asked about her future plans, as if she didn't care.
What does "flippant" mean? | whatsthatwordmean | whatsthatwordmean