1. (noun)stupid, stupid person, stupe, dullard, dolt, pudding head, pudden-head, poor fish, pillock a person who is not very bright
"The economy, stupid!"
3. (adj)dazed, stunned, stupefied, stupid(p) in a state of mental numbness especially as resulting from shock "he had a dazed expression on his face"; "lay semiconscious, stunned (or stupefied) by the blow"; "was stupid from fatigue"
4. (adj)unintelligent, stupid lacking intelligence "a dull job with lazy and unintelligent co-workers"