Preposterous and Unattainable

Preposterous

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

Unattainable and preposterous are semantically related In some cases you can use "Unattainable" instead an adjective "Preposterous".

Unattainable

Unattainable adjective - Incapable of being solved or accomplished.
Usage example: unfortunately, world peace is probably an unattainable ideal

Preposterous and unattainable are semantically related in impossible topic. Sometimes you can use "Preposterous" instead an adjective "Unattainable".
Cite this Source
Unattainable and Preposterous. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/preposterous/unattainable
Preposterous & Unattainable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/preposterous/unattainable>.
Unattainable or Preposterous. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/preposterous/unattainable.
Google Ngram Viewer shows how "preposterous" and "unattainable" have occurred on timeline