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insuperable

[in-soo-per-uh-buh l] /ɪnˈsu pər ə bəl/
adjective
1.
incapable of being passed over, overcome, or surmounted:
an insuperable barrier.
Origin of insuperable
1300-1350
1300-50; Middle English < Latin insuperābilis. See in-3, superable
Related forms
insuperability, insuperableness, noun
insuperably, adverb
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Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for insuperable

insuperable

/ɪnˈsuːpərəbəl; -prəbəl; -ˈsjuː-/
adjective
1.
incapable of being overcome; insurmountable
Derived Forms
insuperability, insuperableness, noun
insuperably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for insuperable
adj.

mid-14c., "unconquerable," from Latin insuperabilis "that cannot be passed over, unconquerable," from in- "not, opposite of" (see in- (1)) + superabilis "that may be overcome," from superare "to overcome," from superus "one that is above," from super "over" (see super-). Figurative use from 1650s. Related: Insuperably.

Online Etymology Dictionary, © 2010 Douglas Harper
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