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be dumb

[/bi/ /dʌm/]
verb phrase
ser mudo; ser burro
1. to be unable to speak; to lack the ability to produce speech
She was born dumb and communicates through sign language.
Ela nasceu muda e se comunica através da linguagem de sinais.
2. to be stupid or lack intelligence (informal/offensive)
Don't be dumb—that's obviously a scam.
Não seja burro—isso é claramente um golpe.
3. to remain silent or not speak up (informal)
He decided to be dumb and not ask questions during the meeting.
Ele decidiu ficar calado e não fazer perguntas durante a reunião.
NYC Slang
be dumb; play dumb; act dumb
Synonyms
be silentbe quietbe mutebe stupidbe foolishbe idiotic
Antonyms
be smartbe intelligentbe articulatespeaktalk

Regional Variations

General Brazilian
ser mudo; ser burro
Commonly used for both meanings in casual speech
Rio de Janeiro
ser mudo; ser tapado
Colloquial use of 'tapado' for the stupidity meaning
São Paulo
ser mudo; ser burro
Standard usage, sometimes 'ser ignorante'
Portugal
ser mudo; ser estúpido
More formal alternatives; 'ser parvo' also used colloquially for stupidity

Related Idioms & Phrases

play dumb
strike dumb
dumb as a rock
dumb luck
dumb down
shut one's mouth
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