What does 決行 mean?
決行 is a Japanese noun meaning “doing (with resolve), carrying out (e.g., a plan)” in English. It can also be translated as “sufficient, not needing (any more of something), rather” depending on context. It is written as 決行 in kanji, けっこう in hiragana, and kekkou in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
その会社の労働者はストを決行した。
Workers at the company went on a strike.