- The definition of insurmountable is something that is too difficult or too great to overcome.
An example of something that would be described as insurmountable is an obstacle for which there truly is no way to get around.
insurmountable definition by Webster's New World
not surmountable; that cannot be passed over or overcome; insuperable
insurmountable definition by American Heritage Dictionary
Impossible to surmount; insuperable: insurmountable difficulties.
- inˌsur·mountˌa·bilˈi·ty, inˌsur·mountˈa·ble·ness noun
- inˌsur·mountˈa·bly adverb