いしけんご 意志堅固 LinksSentence search for 意志堅固Sentence search for いしけんごKanji details for 意, 志, 堅 and 固Edit in JMdict Noun, Na-adjective (keiyodoshi)1. strong determination; strong-willed; having strong will power; firmness of purposeYojijukugo (four character compound) Discussions Log in to talk about this word.