1. superlative form of stupid; most lacking in intelligence or common sense
Usage: superlative form

Examples

• That was the stupidest mistake I’ve ever made.
• He asked the stupidest question during the meeting.
• This is the stupidest movie I’ve ever watched.
• She felt like the stupidest person in the room.
• It’s the stupidest rule the school has ever implemented.
• That’s the stupidest excuse I’ve heard all day.