noun
supreme command; absolute order; unconditional command
A strong, non-negotiable order that must be obeyed; often used in serious or dramatic contexts.
社長からの至上命令で、プロジェクトは最優先で進められた。
By the president's absolute order, the project was given top priority.
安全確保は現場における至上命令だ。
Ensuring safety is the supreme command on site.