Part of speech:
That cannot be passed, crossed, or traveled over
Not surmountable; that cannot be passed over or overcome; insuperable
Incapable of being negotiated or overcome
Impossible to overcome or defeat:
Find another word for insuperable. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for insuperable, like: impossible, overwhelming, impassable, insurmountable, do, unconquerable and insuperable.