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British Dictionary definitions for incogitable

incogitable

adjective
  1. rare not to be contemplated; unthinkable
Derived Formsincogitability, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for incogitable

adj.

"unthinkable," 1520s, from Late Latin incogitabilis, from in- "not" (see in- (1)) + cogitabilis, from stem of cogitare (see cogitation).

Online Etymology Dictionary, © 2010 Douglas Harper

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