健気
Common
I-adj
Noun
1
adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi)
admirable;commendable;praiseworthy;laudable;brave;heroic;noble;courageous
彼が直向きに生きるその姿は実に健気です。
The single-minded way he gets on with his life is truly admirable.