ゼロ災さいMeanings1nounzero workplace accidentsUsed in occupational safety contexts to express the goal of having no accidents or injuries at work.今こん月げつもゼロ災さいを達たっ成せいしました。We achieved zero accidents again this month.ゼロ災さい運うん動どうに全ぜん員いんで取とり組くんでいます。Everyone is working together on the zero-accident campaign.