くっきょう 究竟 LinksSentence search for 究竟Sentence search for くっきょうSentence search for きゅうきょうKanji details for 究 and 竟Edit in JMdict Adverb (fukushi)1. after all; in the end; finallyNa-adjective (keiyodoshi), Noun which may take the genitive case particle 'no', Noun2. excellent; superb; handy; appropriate; idealNa-adjective (keiyodoshi), Noun which may take the genitive case particle 'no', Noun3. robust; brawny; muscular; strong; sturdyOnly applies to くっきょう, See also 屈強Other forms究竟 【きゅうきょう】 Discussions Log in to talk about this word.