意志堅固 いしけんご strong determination; strong-willed; having strong will power; firmness of purpose n adj-na yoji Advanced ➥
狷介固陋 けんかいころう stubbornly sticking to old ways; narrow-mindedly rejecting other people's views n adj-na yoji Advanced ➥
志操堅固 しそうけんご being faithful to one's principles; being of firm purpose and deep commitment; constancy; true blue n adj-na yoji Advanced ➥