What does 断固 mean?
断固 is a Japanese adjective meaning “firm; determined; resolute; conclusive” in English. It is written as 断固 in kanji, だんこ in hiragana, and danko in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
私は家にとどまるようにと彼らに懸命に言ったが、彼らは断固として私の意見に耳を傾けようとはしなかった。
I tried hard to make them stay home, but they refused to listen to me.