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theoretical

[thee-uh-ret-i-kuh l]
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adjective
  1. of, relating to, or consisting in theory; not practical (distinguished from applied).
  2. existing only in theory; hypothetical.
  3. given to, forming, or dealing with theories; speculative.
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Often the·o·ret·ic.

Origin of theoretical

1610–20; theoretic (< Late Latin theōrēticus < Greek theōrētikós, equivalent to theōrēt(ós) to be seen (verbid of theōreîn to view) + -ikos -ic) + -al1
Related formsthe·o·ret·i·cal·ly, adverban·ti·the·o·ret·i·cal, adjectivean·ti·the·o·ret·i·cal·ly, adverbnon·the·o·ret·ic, adjectivenon·the·o·ret·i·cal, adjectivenon·the·o·ret·i·cal·ly, adverbun·the·o·ret·ic, adjectiveun·the·o·ret·i·cal, adjectiveun·the·o·ret·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for anti-theoretical

theoretical

theoretic (ˌθɪəˈrɛtɪk)

adjective
  1. of or based on theory
  2. lacking practical application or actual existence; hypothetical
  3. using or dealing in theory; impractical
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Derived Formstheoretically, adverb
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 anti-theoretical

theoretical

adj.

1610s, from Late Latin theoreticus "of or pertaining to theory," from Greek theoretikos "contemplative, pertaining to theory" (by Aristotle contrasted to praktikos), from theoretos "that may be seen or considered," from theorein "to consider, look at" (see theory). Related: Theoretically.

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Online Etymology Dictionary, © 2010 Douglas Harper

anti-theoretical in Medicine

theoretical

(thē′ə-rĕtĭ-kəl)
adj.
  1. Of, relating to, or based on theory.
  2. Restricted to theory; not practical.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.