noun, noun or participle which takes 'suru', intransitive verb
removing one's hat; taking off one's hat
Literal action of removing a hat, often as a polite gesture. Can be used as a noun or with する.
室内では脱帽するのがマナーです。
It is good manners to remove your hat indoors.
彼は会釈とともに脱帽した。
He took off his hat with a bow.
noun, noun or participle which takes 'suru', intransitive verb
admiring greatly; taking one's hat off to
Figurative expression of deep respect or admiration, as if removing one's hat in salute. Often used in the pattern 脱帽する or 脱帽だ.
彼の努力には脱帽する。
I take my hat off to his efforts.
そのアイデアには脱帽だ。
I have to admire that idea.