(きあ)

きあい
noun
fighting spirit; enthusiasm
emotion
1. fighting spirit; vigor; enthusiasm; psyching oneself up
A surge of mental energy, willpower, or determination. Originally from martial arts, where it refers to the focused energy expressed through a shout (kiai) before or during a strike. Now widely used in everyday speech to mean putting one's heart and energy into something.
気合(きあ)()れろ
Get fired up! / Get your head in the game!
You're really fired up today, aren't you?
There are obstacles that can't be overcome with willpower alone, but mindset matters first.

Usage

Originally a martial arts term for the focused shout accompanying a strike, 気合(きあ)い has become a widely used everyday word meaning mental energy and determination. The key phrase 気合(きあ)()れる means "to psych oneself up" or "to put one's energy into it," while 気合(きあ)(はい) describes the state of being fired up.

Common collocations