Insurmountable and Open

Insurmountable

Insurmountable adjective - Incapable of being defeated, overcome, or subdued.
Usage example: the familiar story of the underdog who ultimately triumphs despite insurmountable odds

Open is an antonym for insurmountable.

Nearby Word: insurmountability

Open

Open adjective - Allowing passage without obstruction.

Insurmountable is an antonym for open.

Nearby Words: opening, openness, opened, opener

Both words in one sentence

  • This is mostly academic speculation, however - the insurmountable physical differences involved mean that her open-mindedness is never put to the test.
  • Border Patrol The map is surrounded by the aforementioned Insurmountable Waist High Fence, except for one open area (marked with a skull-and-crossbones sign) that leads into a rice paddy.
    Source: Border Patrol
Cite this Source
Open and Insurmountable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/insurmountable/open
Insurmountable & Open. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/insurmountable/open>.
Open or Insurmountable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/insurmountable/open.
Google Ngram Viewer shows how "insurmountable" and "open" have occurred on timeline