Impractical and Unattainable

Impractical

Impractical adjective - Not capable of being put to use or account.
Usage example: the flimsy little toy shovel was cute, but completely impractical for digging up tree stumps

Unattainable is a synonym for impractical in possible topic. In some cases you can use "Unattainable" instead an adjective "Impractical", when it comes to topics like unrealistic. popular alternative

Unattainable

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

Impractical is a synonym for unattainable in possible topic. You can use "Impractical" instead an adjective "Unattainable", if it concerns topics such as impossible. popular alternative
Cite this Source
Unattainable and Impractical. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/impractical/unattainable
Impractical & Unattainable. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/impractical/unattainable>.
Unattainable or Impractical. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/impractical/unattainable.
Google Ngram Viewer shows how "impractical" and "unattainable" have occurred on timeline