be dimwitted

slang To be stupid or foolish. Everyone thought I was dimwitted in school because I couldn't read, but it turns out I'm dyslexic. Ah, don't listen to the nonsense that guy says. He's totally dimwitted. Dude, don't be so dimwitted—that door you're pulling on is clearly marked "push."

See also: dimwit

See also:

be a dimwit
dimwit
dumber
dumber than a bag of hammers
dumber than a rock
wdumber
be dumber than a sack of hammers
be (as) dumb as a rock
be (as) dumb as an ox

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