1. in a way that cannot be made less severe, serious, or harsh; inexorably
Usage: formal; literary

Examples

• The drought immitigably damaged the region's agricultural output.
• His immitigably harsh judgment left no room for appeal or reconsideration.
• The disease progressed immitigably despite all medical interventions.
• She spoke with an immitigably critical tone that discouraged further discussion.
• The consequences of the decision were immitigably severe.