Words similar to unsustainable

Example sentences for: unsustainable

How can you use “unsustainable” in a sentence? Here are some example sentences to help you improve your vocabulary:

That is, there is some initial bone-building response by the body to large calcium doses, but it may be a temporary and unsustainable change.
The NYT story offers a more measured tone, with now-familiar caveats about unsustainable pace.
"[P]eople and circumstances being what they are, any monopoly of political thought, however valid it may seem, becomes unsustainable," Hilton wrote.
46 The program is fiscally unsustainable in its current form, and growing Medicare spending is expected to drive federal government dissaving over the long run.
It's unsustainable over several paragraphs.