What does 決着 mean?
決着 is a Japanese noun meaning “conclusion; decision; end; settlement” in English. It is written as 決着 in kanji, けっちゃく in hiragana, and ketchaku in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
その状況は戦争を以てしか決着できない。
The situation could only be settled by war.