IPA: /ˈsɪmplˌmaɪndɪd/
KK: /ˈsɪmplˌmaɪndɪd/
Not very intelligent or lacking in complexity; often used to describe someone who is naive or simplistic in their thinking.
He had a simpleminded approach to solving the problem, which overlooked many important details.
Simpleminded → It is formed from "simple" (from Latin *simplus*, meaning single or straightforward) and "minded" (from Old English *mynd*, meaning mind or thought). The word "simpleminded" describes someone who has a straightforward or uncomplicated way of thinking, often implying a lack of sophistication or complexity in thought.
Think of someone who has a 'single' ('simple') way of thinking, which makes them 'uncomplicated' or 'straightforward' in their thoughts.
No commonly confused words.