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Meaning of dumb as a rock | Babel Free

Adjective CEFR C2

Definitions

Very stupid; dumb as a post.

US

Examples

“Voice assistants are “dumb as a rock,” Satya Nadella, Microsoft’s chief executive, said in an interview this month with The Financial Times, declaring that newer A.I. would lead the way.”

CEFR level

C2

Mastery
This word is part of the CEFR C2 vocabulary — mastery level.

See also

dumb as a sack of bricks dumb as a sack of hammers dumb as a stump dumb as an ox dumb as dirt dumb as nails