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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 mindless

Contemporary Examples

Historical Examples

  • Or would the planet revert to a primeval state of mindless innocence?

  • After all, the Gods didn't expect their worshippers to be mindless slaves.

    Pagan Passions

    Gordon Randall Garrett

  • As it is—what man would have her to bear him mindless brats?

  • They now serve the Schrees, for they are mindless, in a way.

  • "I have heard that the first-born were mindless," said Finnian.

    Irish Fairy Tales

    James Stephens

British Dictionary definitions for mindless


  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 mindless


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