The word “stupid” is often used to describe someone lacking intelligence or common sense.
Synonyms for Stupid
- Foolish
- Idiotic
- Brainless
- Unintelligent
- Dense
- Dull-witted
Definition & Meaning for Stupid
“Stupid” is an adjective that refers to a person or action that lacks sense, intelligence, or logic. It is often used to describe decisions or actions that are perceived as thoughtless or ill-considered.
Another Word for Stupid in a Sentence
One could use another way to say stupid by using synonyms in sentences: “His actions were incredibly foolish,” or “That idea is quite idiotic.”

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