• synonyms


  1. incontestable because of having been demonstrated or proved to be demonstrable.
  2. Logic. (of a proposition) necessarily true or logically certain.
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Also ap·o·deic·tic [ap-uh-dahyk-tik] /ˌæp əˈdaɪk tɪk/, ap·o·dic·ti·cal.

Origin of apodictic

1645–55; < Latin apodīcticus < Greek apodeiktikós proving fully. See apo-, deictic
Related formsap·o·dic·ti·cal·ly, ap·o·deic·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for apodictically

Historical Examples of apodictically

  • To pass universal objective judgments, and to do so apodictically, reason must be free from subjective grounds of determination.

    A Commentary to Kant's 'Critique of Pure Reason'

    Norman Kemp Smith

  • Thus the principle of causality can be apodictically proved as a condition of possible experience.

Word Origin and History for apodictically



"clearly demonstrated," 1650s, from Latin apodicticus, from Greek apodeiktikos, from apodeiktos, verbal adjective of apodeiknynai "to show off, demonstrate," literally "to point away from" (other objects, at one), from apo "off, away" (see apo-) + deiknynai "to show" (see diction).

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Online Etymology Dictionary, © 2010 Douglas Harper