having a natural inclination or tendency to something; disposed; liable: to be prone to anger.
having the front or ventral part downward; lying face downward.
lying flat; prostrate.
having a downward direction or slope.
having the palm downward, as the hand.

Origin of prone

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

Synonyms for prone

1. apt, subject, tending. 3. recumbent. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for proner

Historical Examples of proner

British Dictionary definitions for proner



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

Word Origin for prone

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.

Online Etymology Dictionary, © 2010 Douglas Harper

proner in Medicine




Lying with the front or face downward.
Having a tendency; inclined.


In a prone manner.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.