In*su"per*a*ble (?), a. [L.
insuperabilis: cf. OF. insuperable. See In- not,
and Superable.] Incapable of being passed over or
surmounted; insurmountable; as, insuperable
difficulties.
And middle natures, how they long to join,
Yet never pass the insuperable line?
Pope.
The difficulty is enhanced, or is . . .
insuperable.
I. Taylor.
Syn. -- Impassable; insurmountable; unconquerable.
-- In*su"per*a*ble*ness, n. --
In*su"per*a*bly, adv.