• synonyms


  1. having a natural inclination or tendency to something; disposed; liable: to be prone to anger.
  2. having the front or ventral part downward; lying face downward.
  3. lying flat; prostrate.
  4. having a downward direction or slope.
  5. having the palm downward, as the hand.
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Origin of prone1

1350–1400; Middle English < Latin prōnus turned or leaning forward, inclined downward, disposed, prone
Related formsprone·ly, adverbprone·ness, noun
Can be confusedprone prostate prostrate supine


1. apt, subject, tending. 3. recumbent.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for proner

Historical Examples

  • A humble soul cannot receive it; but is proner here to run into excess.

    A Christian Directory (Volume 1 of 4)

    Richard Baxter

  • That he was proner than most youths to serious meditation Uncle Peter did not believe.

    The Spenders

    Harry Leon Wilson

British Dictionary definitions for proner


  1. lying flat or face downwards; prostrate
  2. sloping or tending downwards
  3. having an inclination to do something
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Derived Formspronely, adverbproneness, noun

Word Origin

C14: from Latin prōnus bent forward, from pro- 1
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 proner



c.1400, "naturally inclined to something, apt, liable," from Latin pronus "bent forward, leaning forward, bent over," figuratively "inclined to, disposed," perhaps from adverbial form of pro- "before, for, instead of" (see pro-) + ending as in infernus, externus. Meaning "lying face-down" is first recorded 1570s. Literal and figurative senses both were in Latin; figurative is older in English. Related: Proneness.

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Online Etymology Dictionary, © 2010 Douglas Harper

proner in Medicine


  1. Lying with the front or face downward.
  2. Having a tendency; inclined.
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  1. In a prone manner.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.