Synonyms, Thesaurus & Antonyms of 'unsurmountable'
1. (adj)insurmountable, unsurmountable not capable of being surmounted or overcome Synonyms: insuperable, insurmountable, unclimbable, unsurmountable Antonyms: passable
2. (adj)unsurmountable, unclimbable incapable of being surmounted or climbed Synonyms: insurmountable, unclimbable, unscalable, unsurmountable Antonyms: passable