Impossible
Impossible adjective - Incapable of being solved or accomplished.
Not possible and impossible are semantically related. In some cases you can use "Not possible" instead an adjective "Impossible".
Nearby Words: impossibility, impossibly
Not possible
Impossible and not possible are semantically related. Sometimes you can replace term "Impossible" with "Not possible", this terms are similar.
Both terms in one sentence
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From this ep onwards we have "impossible/not possible".
- It's not possible to complete it with all classes (it's believed that it is literally impossible with Mimes or Calculators), but some people have pulled it off with some surprising ones.
Source: Challenge Gamer -
With Impossible Shadow Puppets, a character makes a shadow of something else that is clearly not possible to create using only one's hands or body, or a normal sillhouette.
Source: Impossible Shadow Puppets
Cite this Source
Not possible and Impossible. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/impossible/not_possible
Impossible & Not possible. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/impossible/not_possible>.
Not possible or Impossible. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/impossible/not_possible.
Google Ngram Viewer shows how "impossible" and "not possible" have occurred on timeline