"Insuperable" is a word in ENGLISH

insuperable ENGLISH
Definition:

Incapable of being passed over or surmounted;
insurmountable; as, insuperable difficulties.

Few words of positivity

...intricate stone carvings and wood trim gave the law school an almost medieval feel. You'd even sometimes hear that we went to HLS (Hogwarts Law School).

J.D. Vance, Hillbilly Elegy: A Memoir of a Family and Culture in Crisis

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Laugh your heart out.

This customer comes into the computer store. "I'm looking for a mystery Adventure Game with lots of graphics. You know, something really challenging." "Well," replied the clerk, "Have you tried Windows 98?"

impassable ENGLISH

Incapable of being passed; not admitting a passage; as, an impassable road, mountain, or gulf.

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Incapable of being passed through.

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Incapable of being passed over, surmounted, or overcome; insuperable; as, insurmountable difficulty or obstacle.

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Incapable of being transgressed; not to be passes over or crossed.

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Lying In Grant LAW AND LEGAL

A phrase applied to Incorporeal rights, Incapable of manual tra-ditlon, and whlch must pass by mere dellv-ery of a deed

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