Refers to sharp intelligence, quick-wittedness, or intellectual brilliance. Often used in contexts emphasizing cleverness or mental acuity.
彼の才気あふれる発言に、みんなが感心した。
Everyone was impressed by his witty remarks.
若いころから才気煥発で知られていた。
He was known for his brilliance from a young age.
brilliant and quick-witted; sparkling with intelligence
quick-witted; brilliant; flashes of genius
great wisdom; brilliant intellect
be clever; be quick-witted; seem talented
Compound of 才 (talent, ability) and 気 (spirit, mind). The exact historical derivation is uncertain, but the combination conveys a sense of innate mental sharpness.