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Impossible to overcome; insurmountable: insuperable odds.

[Middle English, from Old French, from Latin īnsuperābilis : in-, not; see in-1 + superābilis, superable; see superable.]

in·su′per·a·bil′i·ty n.
in·su′per·a·bly adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adv.1.insuperably - to an insuperable degree; "these various courses all seemed insuperably difficult to the student"


[ɪnˈsuːpərəblɪ] ADV insuperably difficultdificilísimo


adv it was insuperably difficultes hat unüberwindliche Schwierigkeiten bereitet; this could affect its development insuperablydas könnte seiner Entwicklung einen bleibenden Schaden zufügen
References in classic literature ?
There's no end to the possibilities in that man - if he weren't so insuperably lazy.
Nevertheless, this difficulty, though appearing to our imagination insuperably great, cannot be considered real if we admit the following propositions, namely,--that gradations in the perfection of any organ or instinct, which we may consider, either do now exist or could have existed, each good of its kind,--that all organs and instincts are, in ever so slight a degree, variable,--and, lastly, that there is a struggle for existence leading to the preservation of each profitable deviation of structure or instinct.
Tal Inbar, senior scholar for the Fisher Institute for Air and Space Strategic Studies near Tel Aviv, said S-300s in areas where Israel operates or might want to operate would challenge its advanced, US-backed military -- but not insuperably so.
190) These legal duties, though morally felicitous on their face and easy enough to formulate in general terms, become extremely demanding, even insuperably beyond reach, when it is virtually impossible to tell the enemy combatants apart from civilians.
344) In Madison's view, the persecutions were insuperably tied to the religious establishment, and he found it unbearable to wait patiently and trust the establishment to correct itself, even if the new constitution were to guarantee equal liberty in religious practices.
Yields of 20 percent on short average-life legacy fixed-rate conduit CMBS presented an insuperably high hurdle rate to attracting potential investors to three-year auto loan ABS.