Impossible and Preposterous

Similar meaning words

Impossible adjective - Incapable of being solved or accomplished.

Usage example: fitting everything in my backpack seemed an impossible task

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Preposterous is a synonym for impossible in intolerable topic. In some cases you can use "Preposterous" instead an adjective "Impossible", when it comes to topics like incredible, absurd, unimaginable, beyond the bounds of possibility.

Nearby Words: impossibility, impossibly

Preposterous adjective - Conceived or made without regard for reason or reality.

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Impossible is a synonym for preposterous in ridiculous topic. You can use "Impossible" instead an adjective "Preposterous", if it concerns topics such as unimaginable.

Lesson of the Day: No matter how difficult or absurd you make a puzzle, your players will find an even more impossible and preposterous way of solving it.

Source: The Password is Always "Swordfish"
However, this impossible coexistence is merely one of several preposterous elements in the series.

Source: Literature / Atlan
The mere suggestion that we might have evolved sapience on our own is usually considered a preposterous, laughable superstition, as impossible as claiming a deity sculpted us out of clay.

Source: Uplifted Animal

Cite this Source

Preposterous and Impossible. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/impossible/preposterous

Impossible & Preposterous. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/impossible/preposterous>.

Preposterous or Impossible. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/impossible/preposterous.

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