noun
detrimental factor; negative factor
Used in analysis, planning, or evaluation to refer to a factor that works against a desired outcome. Often contrasted with プラス要因.
See also: プラス要因
このプロジェクトのマイナス要因は、予算不足だ。
A detrimental factor for this project is the lack of budget.
成功のためには、マイナス要因をできるだけ減らす必要がある。
To succeed, we need to reduce negative factors as much as possible.