noun
lack of finishing power; inability to score
Primarily used in sports contexts to describe a team or player who creates chances but fails to convert them into goals or points.
決定力不足が原因で、チームは勝ち点を落とした。
Due to a lack of finishing power, the team dropped points.
彼は決定力不足を解消するためにシュート練習を増やした。
He increased shooting practice to overcome his inability to score.
Compound of 決定力 (decisiveness, finishing ability) and 不足 (lack, insufficiency).