na-adjective
youthful vigor; full of youthful energy
Describes a young person brimming with energy, passion, and sometimes impulsive boldness. Often used in the phrase 血気盛んな若者.
彼はまだ血気盛りの若者だ。
He is still a young man full of youthful vigor.
血気盛りのあまり、無茶をしてしまうこともある
Being too full of youthful vigor can sometimes lead to reckless behavior.