noun
final responsibility; ultimate responsibility
Refers to the highest level of accountability, often in organizational or legal contexts, where one party bears the conclusive burden.
プロジェクトの最終責任は部長が負う。
The department head bears the final responsibility for the project.
事故の最終責任は運転手にある。
The ultimate responsibility for the accident lies with the driver.
責任 is general responsibility, while 最終責任 specifically denotes the final or ultimate level of responsibility.
Compound of 最終 (final, ultimate) and 責任 (responsibility). The exact historical derivation is uncertain, but the meaning is transparent from its components.