軽薄 (けいはく) Japanese meaning | KotomoraI was annoyed by his flippant attitude.
You shouldn't hurt people with shallow words.
She looks frivolous, but she's actually very serious.
Usage patterns
軽薄な態度a frivolous, flippant attitude
He adopted a flippant attitude toward his boss.
軽薄な言動frivolous, insincere words and actions
The people around him were disgusted by his frivolous words and actions.
軽薄に振る舞うto behave in a flippant, insincere manner
He often behaves flippantly even with people he's just met.
軽薄 means frivolous or flippant, the opposite of the dignified seriousness conveyed by 厳粛.
軽率
N1
軽薄 describes a superficial, frivolous personality, while 軽率 specifically describes rash, ill-considered actions or words.