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noun, plural vi·tal·i·ties.
  1. exuberant physical strength or mental vigor: a person of great vitality.
  2. capacity for survival or for the continuation of a meaningful or purposeful existence: the vitality of an institution.
  3. power to live or grow: the vitality of a language.
  4. vital force or principle.

Origin of vitality

1585–95; < Latin vītālitās, equivalent to vītāli(s) vital + -tās- -ty2
Related formsnon·vi·tal·i·ty, nounsu·per·vi·tal·i·ty, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for vitality


noun plural -ties
  1. physical or mental vigour, energy, etc
  2. the power or ability to continue in existence, live, or growthe vitality of a movement
  3. a less common name for vital force
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 vitality

1590s, from Latin vitalitas, from vitalis "pertaining to life" (see vital).

Online Etymology Dictionary, © 2010 Douglas Harper

vitality in Medicine


  1. The capacity to live, grow, or develop.
  2. Physical or intellectual vigor; energy.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.