This is the 8894th most frequent Japanese word.
正気
Sanity; consciousness; being in one's right mind.
正気 is used to refer to a state of sanity or reason.
彼が言ったことは正気とは思えない。
What he said doesn't seem sane.
正気 is used to signify maintaining mental clarity or reason.
彼女はその危険な状況で正気を保とうとしていた。
She tried to remain sane in that dangerous situation.
正気 emphasizes a state of mental stability amidst chaos.