The phrase "intractable threat" is correct and usable in written English.
You can use it to refer to a problem or a danger that is seen as very difficult or impossible to solve or eliminate. For example: "The country is facing an intractable threat from a group of extreme militants."
"A month ago, my prime minister, Benjamin Netanyahu, came to Washington and shamefully compared our lives to those of our grandparents who lived in the ghettos," she said, "as if we were doomed to live under permanent, intractable threat, as if Israel were the modern incarnation of the ghetto".
Stir in some truly intractable threats in the international and planetary spheres - terrorism, instability across the Middle East and the Maghreb, and a ballooning global population in the former case; increasingly dire warnings about the effects of climate change and environmental neglect in the case of the latter - and you have a perfect gumbo of apocalyptic paranoia.
But for all the progress, California's intractable budget woes loom as a threat to implementation here.
It turns out (spoiler alert) she was right, but in its first two seasons Homeland was a stunningly plotted character study about two outsiders trying to operate within the system and perfectly encapsulated the fears of the country that was in two intractable wars and was still concerned about threats back home after 9/11.
And there will be the lament about how intractable conflicts remain one of the greatest threats to any gains made in reducing global poverty.
Such is the case in Amish communities (8), where treatment for psychiatric disease may only occur in response to crises like intractable mental anguish, emergent hospitalization, violence, or the threat of suicide (8).
But the biggest threat to the health of the economy — corrosive, intractable, demoralizing unemployment — is still with us.
Intractable tearfulness, sobbing, and pleading for help when no identifiable threat actually exists.
Since the spread of carbapenem-resistant bacteria in the community is a threat to public health due to the increased risk of intractable infection, the isolation of MEM-resistant ESBL-E.
As in the broader context of this so-far intractable conflict, each side holds a diametrically opposed perception of who poses the threat.
This has enabled researchers and conservationists to monitor threats to high-priority populations in real time, explore previously intractable lines of inquiry with relative ease and improve our understanding of the species.
