きょうこ 強固 Common word LinksSentence search for 強固Sentence search for きょうこSentence search for 鞏固Kanji details for 強 and 固Edit in JMdict Na-adjective (keiyodoshi)1. firm; strong; solid; stableOther forms鞏固 【きょうこ】Notes鞏固: Rarely-used kanji form. Discussions Log in to talk about this word.