1The intractable conflict in the region has been ongoing for decades, with multiple failed attempts at peace negotiations.
2Is the current economic crisis an intractable problem, or can policymakers find a solution through coordinated action?
3The patient's intractable pain required a multidisciplinary approach, involving both medication and alternative therapies.
4The intractable nature of the mathematical proof had stumped experts for centuries, until a breakthrough was finally achieved.
5There is a growing recognition that climate change is an intractable global challenge, requiring sustained cooperation and innovation to mitigate its effects.