imperturbability; steadfastness; unshakable mind
General term for a mental state of being unshaken by external circumstances; often used in philosophical or spiritual contexts.
He has an unshakable mind that is not disturbed by any difficulty.
cool head in an emergency; keeping calm (in a fight)
Specifically used in martial arts to describe maintaining composure and clear judgment under pressure or during combat.
In martial arts, an unshakable mind can sometimes determine victory or defeat.
平常心 refers to one's usual calm state of mind, often used in sports or daily life, whereas 不動心 suggests an immovable, unwavering mind even in extreme situations.
Compound of 不動 (immovable, unshakable) and 心 (mind, heart). The term is rooted in Buddhist and Zen philosophy, emphasizing a mind that remains undisturbed by external phenomena.