adjective un·excogitable \¦əˌnek¦skäjətəbəl\

Definition of unexcogitable

  1. :  not capable of being thought out or contrived

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Origin and Etymology of unexcogitable

modification of Late Latin inexcogitabilis, from Latin in- 1in- + excogitare to excogitate + -abilis -able

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feeling or affected by lethargy

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