← Back to browse牢固ろうこ[rouko]adjectiveJapanese definitionNo Japanese definition yet.English definitionfirm; solid; inflexible; immovableExamplesNo examples yet.Loading examples…Ask about thisKanji牢prison; jail; hardnessロウ / かた.い、ひとや · 7 strokes牢牢獄牢屋堅牢座敷牢亡羊補牢入牢土牢固harden; set; clot; curdleコ / かた.める、かた.まる、かた.まり、かた.い · 8 strokes固定固め確固固有頑固強固固い固まっ