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simpleminded

or sim·ple-mind·ed

[sim-puh l-mahyn-did, -mahyn-]
See more synonyms for simpleminded on Thesaurus.com
adjective
  1. free of deceit or guile; artless or unsophisticated.
  2. lacking in mental acuteness or sense.
  3. mentally deficient.
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Origin of simpleminded

First recorded in 1735–45; simple + minded
Related formssim·ple·mind·ed·ly, adverbsim·ple·mind·ed·ness, noun

Synonyms

See more synonyms for simpleminded on Thesaurus.com
2, 3. stupid, foolish, slow, dull-witted, half-witted.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for simple-minded

Contemporary Examples

Historical Examples

  • Instead, with simple-minded directness he seemed to be studying on the matter.

    Hidden Water

    Dane Coolidge

  • He recalled them with simple-minded compunction at that distance of time.

    Chance

    Joseph Conrad

  • You are only a footpad, a simple-minded marquis of the bludgeon.

    The O'Ruddy

    Stephen Crane

  • As they went past, the doctor said to himself: "Blessed are the simple-minded!"

  • They have a simple-minded simplicity that anyone can understand.

    The K-Factor

    Harry Harrison (AKA Henry Maxwell Dempsey)


British Dictionary definitions for simple-minded

simple-minded

adjective
  1. stupid; foolish; feeble-minded
  2. unsophisticated; artless
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Derived Formssimple-mindedly, adverbsimple-mindedness, 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 simple-minded

adj.

1744, from simple (adj.) + minded. Related: Simple-mindedly; simple-mindedness.

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Online Etymology Dictionary, © 2010 Douglas Harper