Definition

Lacking intelligence or showing poor judgment; stupid or foolish. Originally meant unable to speak, but evolved to mean unintelligent.

Example Usage

That was a dumb thing to say in front of your boss.

Origin

From Old English 'dumb' (silent), which shifted to mean stupid by the 1600s due to association with the idea that speechlessness implied lack of thought.

Fun Fact

The phrase 'dumb and dumber' was popularized by the 1994 comedy film, cementing the comparison of different degrees of stupidity.

Source: Definition backfill (hailey)

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See “dumb” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.

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