irrevocable - a. 돌이킬 수 없는, 취소할 수 없는

• permanent
• final
• immutable
• irreversible
• unalterable
• unchangeable

• revocable
• revokable

• Decisions to smoke may be made by people when they are young and too immature to make irrevocable decisions about smoking
• Even now irrevocable damage may have been done to the ecosystems on which we all ultimately depend.
• The committee passed irrevocable judgement against the chairman.