1. impossible to resolve, solve, or settle
Usage: formal

Examples

• The conflict between the two nations seemed irresoluble despite years of negotiations.
• Scientists faced an irresoluble paradox in their theoretical framework.
• The committee declared the budget dispute irresoluble and disbanded.
• Her irresoluble doubts about the decision kept her awake at night.
• The mathematical problem remained irresoluble for decades.
• The irresoluble nature of the ethical dilemma frustrated the philosophers.