• synonyms


[flek-shuh n]
  1. Anatomy.
    1. the act of bending a limb.
    2. the position that a limb assumes when it is bent.
  2. Chiefly British. flection(defs 1–3).
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Origin of flexion

1595–1605; < Latin flexiōn- (stem of flexiō) a bending, turning. See flex1, -ion
Related formsflex·ion·al, adjectiveflex·ion·less, adjectivehy·per·flex·ion, nouno·ver·flex·ion, nounsu·per·flex·ion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for flexional

Historical Examples of flexional

  • It will fare not otherwise, as I am bold to predict, with the flexional genitive, formed in s or es (see p. 161).

    English Past and Present

    Richard Chevenix Trench

  • Feminine rhymes are indeed rarer than in Middle English poetry in consequence of the disuse of flexional endings.

  • In the Greek dative-locative πόδ-εσ-σι, for example, the suffix -ες is classificatory; in the nominative πόδ-ες it is flexional.

  • Many of the classificatory and some of the flexional suffixes of Indo-European speech can be shown to have had this origin.

  • In this phrase, probably owing to confusion with we ynk(en), the verb often has no flexional ending; cp.

British Dictionary definitions for flexional


  1. the act of bending a joint or limb
  2. the condition of the joint or limb so bent
  3. a variant spelling of flection
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Derived Formsflexional, adjectiveflexionless, adjective
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 flexional



c.1600, from Latin flexionem (nominative flexio) "a bending, swaying; bend, turn, curve," noun of action from past participle stem of flectere "to bend" (see flexible).

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Online Etymology Dictionary, © 2010 Douglas Harper

flexional in Medicine


  1. The act of bending a joint or limb in the body by the action of flexors.
  2. The condition of being flexed or bent.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.