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simpleminded

or sim·ple-mind·ed

[sim-puhl-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 for simpleminded

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for simpleminded

brainless, childlike, crude, dumb, idiotic, ignorant, moronic, naive, slow, stupid, uncomplicated, unschooled, unstudied, unworldly, feeble-minded, clueless, untutored

Examples from the Web for simpleminded

Historical Examples of simpleminded

  • A beautiful, simpleminded creature—it was what he was, you can depend on that.

    Sketches New and Old, Complete

    Mark Twain (Samuel Clemens)

  • Would he have risked it, had he not been the most simpleminded of men?

  • A beautiful, simpleminded creature it was what he was, you can depend on that.

    Sketches New and Old, Part 6.

    Mark Twain (Samuel Clemens)

  • And his simpleminded, untravelled, wonderloving auditor or auditors received his words literally.

  • Nothing had the girls (or the simpleminded 11 country Doctor who sped them) known of the dangers or pitfalls of the city.

    Orphans of the Storm

    Henry MacMahon