Without guile or deceit; ingenuous; innocent
Arousing little interest; lacking liveliness; boring:
Unwilling to talk; silent
Exhibiting profound mental retardation. The term belongs to a classification system no longer in use and is now considered offensive.
The definition of ignorant is something or someone lacking in knowledge, or is stupid or rude.
Showing foolishness or stupidity.
Unaffectedly or foolishly simple; childlike; artless
Allowing movement or action only at a low speed:
Slow to learn or understand; obtuse.
Having or suggesting a heavy or viscous consistency:
Find another word for simpleminded. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for simpleminded, like: artless, dull, dumb, idiotic, ignorant, imbecile, moronic, naive, silly, slow and stupid.