- The definition of insuperable is an obstacle that cannot be overcome.
If your boss absolutely forbids you from going on a trip, this is an example of an insuperable obstacle to you going on the trip.
Origin: Middle English from Classical Latin insuperabilis
Used by arrangement with John Wiley & Sons, Inc.
Origin: Middle English, from Old French, from Latin īnsuperābilis : in-, not; see in-1 + superābilis, superable; see superable.
- in·suˌper·a·bilˈi·ty, in·suˈper·a·ble·ness noun
- in·suˈper·a·bly adverb