Impossible
Impossible adjective - Incapable of being solved or accomplished.
Unsustainable and impossible are semantically related. in unbearable topic. In some cases you can use "Unsustainable" instead an adjective "Impossible".
Nearby Words: impossibility, impossibly
Unsustainable
Impossible and unsustainable are semantically related. Sometimes you can replace term "Impossible" with "Unsustainable", this words are similar.
Mutual synonyms
Related pairs
- intolerable and impossible
- intolerable and unsustainable
- unendurable and impossible
- unendurable and unsustainable
- unbearable and impossible
- unbearable and unsustainable
- unsuitable and impossible
- unsuitable and unsustainable
- unmanageable and impossible
- unmanageable and unsustainable
- implausible and impossible
- implausible and unsustainable
- illogical and impossible
- illogical and unsustainable
Both words in one sentence
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Unfortunately, the loss of the Emperor from the physical world would be an unsustainable disaster for the Imperium: his psychic strength controls the Astronomican, a massive navigational beacon made of psychic energy, without which Warp travel would be practically impossible.
Source: Devil, but No God
Cite this Source
Unsustainable and Impossible. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/impossible/unsustainable
Impossible & Unsustainable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/impossible/unsustainable>.
Unsustainable or Impossible. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/impossible/unsustainable.
Google Ngram Viewer shows how "impossible" and "unsustainable" have occurred on timeline