青せい年ねん客かっ気き

noun, noun which may take the genitive case particle 'no'

youthful ardor; rash impulse of youth

Describes the passionate but often reckless enthusiasm of young people. Somewhat literary and not an everyday word; compare 年少客気 (ねんしょうかっき) for a similar concept.

See also: 年少客気

• 青せい年ねん客かっ気きにかられて無む茶ちゃな計けい画かくを立たててしまった。

  Driven by youthful ardor, I ended up making a reckless plan.

• 彼かれの行こう動どうは青せい年ねん客かっ気きのなせるわざだった。

  His actions were the result of a rash impulse of youth.