Very dull; insensible; senseless; wanting in understanding; heavy; sluggish; in a state of stupor; -- said of persons.
- Slow to learn or understand; obtuse.
- Tending to make poor decisions or careless mistakes.
- Marked by a lack of intelligence or care; foolish or careless: a stupid mistake.
- Dazed, stunned, or stupefied.
- Pointless; worthless: a stupid job.
- A stupid or foolish person.