Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Impossible to overcome; insurmountable.

from The Century Dictionary.

  • Not superable; incapable of being passed over, overcome, or surmounted.
  • Synonyms Insurmountable, impassable, unconquerable, invincible.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Incapable of being passed over or surmounted; insurmountable.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Impossible to achieve or overcome or be negotiated.
  • adjective Overwhelming or insurmountable.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective incapable of being surmounted or excelled
  • adjective impossible to surmount

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English, from Old French, from Latin īnsuperābilis : in-, not; see in– + superābilis, superable; see superable.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin insuperabilis

Examples

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