Impassable and Unattainable

Impassable

Impassable adjective - Impossible to get through or into.

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

Nearby Words: impasse, impassible

Unattainable

Unattainable adjective - Hard or impossible to get to or get at.

Impassable and unattainable are semantically related in impossible topic. You can use "Impassable" instead an adjective "Unattainable", if it concerns topics such as inaccessible.
Cite this Source
Unattainable and Impassable. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/impassable/unattainable
Impassable & Unattainable. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/impassable/unattainable>.
Unattainable or Impassable. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/impassable/unattainable.
Google Ngram Viewer shows how "impassable" and "unattainable" have occurred on timeline