Impassable and Unobtainable

Impassable

Impassable adjective - Impossible to get through or into.

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

Nearby Words: impasse, impassible

Unobtainable

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

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