Impossible
Impossible noun - Something that cannot be done.
Possibilities is an antonym for impossible.
Nearby Words: impossibility, impossibly
Possibilities
Both words in one sentence
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Pretty much all words give you 2 or 3 possibilities, either all so similar they're impossible to distinguish, or completely unrelated to what you typed.
Source: Video Game / Scribblenauts -
Impossible Genius: Kellhus uses his superhuman intelligence and Hyper Awareness to surpass the possibilities of any normal human.
Source: Literature / Second Apocalypse -
When a villain is interrogating T'Pol about the possibilities of time travel, she is able to respond using what is technically true: "The Vulcan science directorate has determined that time travel is impossible."
Source: Truth Serums
Cite this Source
Possibilities and Impossible. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/impossible/possibilities
Impossible & Possibilities. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/impossible/possibilities>.
Possibilities or Impossible. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/impossible/possibilities.
Google Ngram Viewer shows how "impossible" and "possibilities" have occurred on timeline