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See more synonyms for wholehearted on Thesaurus.com
  1. fully or completely sincere, enthusiastic, energetic, etc.; hearty; earnest: a wholehearted attempt to comply.
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Origin of wholehearted

An Americanism dating back to 1830–40; whole + hearted
Related formswhole·heart·ed·ly, adverbwhole·heart·ed·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for wholeheartedness

Historical Examples

  • We all laughed at that, grudgingly at first, then with a touch of wholeheartedness.

    The Night of the Long Knives

    Fritz Reuter Leiber

  • There was a wholeheartedness about Bully Rawson and his doings which left no room for doubt.

  • He is a possessor and advocate of wholeheartedness and sincerity, being charitable to a difference or a fault.

British Dictionary definitions for wholeheartedness


  1. done, acted, given, etc, with total sincerity, enthusiasm, or commitment
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Derived Formswholeheartedly, adverbwholeheartedness, noun
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 wholeheartedness



also whole-hearted, 1840, from whole + hearted. Related: Wholeheartedly.

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Online Etymology Dictionary, © 2010 Douglas Harper