Main Entry: in·su·per·a·ble

Pronunciation: \(ˌ)in-ˈsü-p(ə-)rə-bəl\

Function: adjective

Etymology: Middle English, from Latin insuperabilis, from in- + superare to surmount, from super over — more at over

Date: 14th century

: incapable of being surmounted, overcome, passed over, or solved <insuperable difficulties>

— in·su·per·a·bly \-blē\ adverb