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See more synonyms for mindless on Thesaurus.com
  1. without intelligence; senseless: a mindless creature.
  2. unmindful or heedless: mindless of all dangers.
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Origin of mindless

before 1000; Middle English myndles, Old English gemyndlēas. See mind, -less
Related formsmind·less·ly, adverbmind·less·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Examples from the Web for mindlessness

Contemporary Examples

Historical Examples

  • Bethink you, have there not been days, aye and months, in your own life when you would have rejoiced to sleep in mindlessness?

    She and Allan

    H. Rider Haggard

British Dictionary definitions for mindlessness


  1. stupid or careless
  2. requiring little or no intellectual efforta mindless task
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Derived Formsmindlessly, adverbmindlessness, 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 mindlessness



c.1400, "unmindful, heedless, negligent," from mind (n.) + -less. Related: Mindlessly; mindlessness. Old English had myndleas "foolish, senseless."

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Online Etymology Dictionary, © 2010 Douglas Harper