Impassable and Unobstructed

Opposite meaning words

Impassable adjective - Impossible to get through or into.

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Unobstructed is an antonym for impassable.

Nearby Words: impasse, impassible

Unobstructed adjective - Allowing passage without obstruction.

Usage example: only one road remained unobstructed after the storm

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Impassable is an antonym for unobstructed.

Cite this Source

Unobstructed and Impassable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/impassable/unobstructed

Impassable & Unobstructed. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/impassable/unobstructed>.

Unobstructed or Impassable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/impassable/unobstructed.

Google Ngram Viewer shows how "impassable" and "unobstructed" have occurred on timeline