INSUPERABLE
Source: 566, 567
insuperable. Insuperable, a. that cannot be surmounted, invincible
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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.