simpleminded

or sim·ple-mind·ed

[ sim-puhl-mahyn-did, -mahyn- ]
/ ˈsɪm pəlˈmaɪn dɪd, -ˌmaɪn- /

adjective

free of deceit or guile; artless or unsophisticated.
lacking in mental acuteness or sense.
mentally deficient.

Origin of simpleminded

First recorded in 1735–45; simple + minded

Related forms

sim·ple·mind·ed·ly, adverbsim·ple·mind·ed·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for simple-minded

British Dictionary definitions for simple-minded

simple-minded


adjective

stupid; foolish; feeble-minded
unsophisticated; artless

Derived Forms

simple-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