غير قابل تفوق ،فائق نيامدنى ،غير قابل عبور،بر طرف نشدنى
not capable of being surmounted or overcome(a)
Synonyms: insurmountable
unsurmountable
Examples: insurmountable disadvantages
Antonyms: surmountable
Similar: insuperable
unconquerable
impossible to surmount(a)
Synonyms: insuperable
insurmountable
Similar: unconquerable