insurmountable

== English == === Etymology === From in- +‎ surmountable. === Pronunciation === === Adjective === insurmountable (comparative more insurmountable, superlative most insurmountable) Incapable of being passed over, surmounted, or overcome; insuperable Synonym: (archaic and rare) unsurmountable Antonym: surmountable ==== Derived terms ==== ==== Translations ====