Main entry: stupid
Definition: lacking or marked by lack of intellectual acuity
Antonyms: smart
Definition: showing mental alertness and calculation and resourcefulness
Antonyms: thin
Definition: of relatively small extent from one surface to the opposite or in cross section
Antonyms: thin
Definition: relatively thin in consistency or low in density; not viscous
Antonyms: sharpen
Definition: make sharp or sharper
Antonyms: bright
Definition: emitting or reflecting light readily or in large amounts
Antonyms: sharp
Definition: having or made by a thin edge or sharp point; suitable for cutting or piercing
Antonyms: sharp
Definition: keenly and painfully felt; as if caused by a sharp edge or point
Antonyms: lively
Definition: full of life and energy
Antonyms: fast
Definition: acting or moving or capable of acting or moving quickly
Antonyms: fast
Definition: at a rapid tempo
Antonyms: fast
Definition: (used of timepieces) indicating a time ahead of or later than the correct time
Antonyms: wise
Definition: having or prompted by wisdom or discernment
Antonyms: acute
Definition: of an angle; less than 90 degrees
Antonyms: strong
Definition: having strength or power greater than average or expected
Main entry: stupid, unintelligent
Definition: lacking intelligence
Usage: a dull job with lazy and unintelligent co-workers
Antonyms: intelligent
Definition: having the capacity for thought and reason especially to a high degree
Antonyms: headed
Definition: having a head of a specified kind or anything that serves as a head; often used in combination
Main entry: dazed, stunned, stupefied, stupid
Definition: in a state of mental numbness especially as resulting from shock
Usage: he had a dazed expression on his face; lay semiconscious, stunned (or stupefied) by the blow; was stupid from fatigue
Antonyms: clear-thinking, clearheaded
Definition: not mentally confused; able to think clearly and act intelligently