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dumbest

ADJECTIVE

unable to speak

Synonyms

STRONGEST

speechless

WEAK

at a loss for words inarticulate incoherent mousy mum mute quiet silent soundless tongue-tied uncommunicative voiceless wordless

Antonyms

WEAK

bright intelligent sharp smart speaking

ADJECTIVE

stupid, unintelligent

Synonyms

STRONGEST

dull foolish

WEAK

dense dim-witted doltish feebleminded moronic simple-minded thick

Antonyms

WEAK

bright intelligent sharp smart speaking

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Siri is one of the dumbest chatbots on the market.

From The Wall Street Journal • Jun. 5, 2026

Among the dumbest birds are insectivores, such as bee-eaters, and giants, such as ostriches.

From The Wall Street Journal • May 22, 2026

“That was the dumbest decision I’ve ever seen anyone make,” Stripling said.

From Los Angeles Times • May 17, 2026

But because we keep implementing them in literally the dumbest way possible, they have all the downsides and none of the upsides.

From Slate • Apr. 22, 2026

This is the dumbest technicality I’ve ever heard.

From "Warcross" by Marie Lu