さあらぬ体
Meanings
1
unconcerned air; nonchalant manner; acting as if nothing happened
rare term
A rare, literary set phrase describing a person's demeanor when they pretend nothing is wrong or act casually to hide their true feelings. Often used in narrative or classical contexts.
He left the room with an unconcerned air.
She kept the secret by putting on a nonchalant manner.