Insurmountable
Insurmountable adjective - Incapable of being defeated, overcome, or subdued.
Nearby Word: insurmountability
Possible
Possible adjective - Capable of happening or existing.
Usage example: a breakthrough may be possible next year
Insurmountable is an antonym for possible.
Nearby Words: possibility, possibly
Both words in one sentence
-
Insurmountable Waist High Fence: It's possible for a doorbell to be positioned in a way that looks like your character could activate it by reaching for it, but your character actually can't.
-
Insurmountable Waist High Fence: Some of the things used to block off routes fall into this category; rubble is often easily low enough to climb over, and it's only not possible to backtrack into Naomi's lab because Snake can't be bothered to climb through the windows.
Cite this Source
Possible and Insurmountable. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/insurmountable/possible
Insurmountable & Possible. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/insurmountable/possible>.
Possible or Insurmountable. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/insurmountable/possible.
Google Ngram Viewer shows how "insurmountable" and "possible" have occurred on timeline