1. lacking ordinary quickness and keenness of mind; dull.
2. characterized by or proceeding from mental dullness; foolish; senseless: a stupid question.
3. tediously dull, especially due to lack of meaning or sense; inane; pointless: a stupid party.
4. annoying or irritating; troublesome: Turn off that stupid radio.
5. in a state of stupor; stupefied: stupid from fatigue.
6. Slang. excellent; terrific. noun
7. Informal. a stupid person.|-
"people can be stupid for things."
"people can be stupid by people."
"people can be stupid with clothes."
"people can be stupid to ers."
"people can be stupid over everythings."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.