simpleton

A simpleton is someone who seems foolish, lacks good sense, or is easy to trick. It often brings to mind a story character who keeps falling for the same tricks again and again. The word feels old-fashioned and a little sharp, but it can also suggest that the person is more naive than bad. You might use it for someone who believes every wild story they hear or keeps trusting people who clearly do not deserve it.

The word "simpleton" paints a picture of someone who seems foolish, lacks common sense, or is very easy to deceive. It is not only about low intelligence. More often, it suggests a person who is naive, too trusting, or slow to see what is obvious to others. The word comes from "simple," but over time it took on a negative sense and came to describe a person seen as silly or not very bright.

Historically, "simpleton" was also used for people with intellectual disabilities or learning difficulties. That use is now outdated and offensive. Today, the word is usually used in a figurative way for someone who keeps making foolish choices or who falls for things that should be easy to question.

Think of a fairy-tale character who trusts the wrong stranger and gives away something valuable for an empty promise. Or imagine someone believing an obvious scam email again and again. In both cases, the idea is not just lack of knowledge, but poor judgment and too much trust.

While it can sometimes sound almost playful in stories, "simpleton" is still usually an insult. A speaker may use it for a well-meaning but clueless person, but it can easily sound rude or dismissive. Because of its history, it should be used with care. In modern English, it usually works best when you want to stress poor judgment, innocence, or the habit of being easily fooled, rather than making a broad claim about a person's intelligence.