dumber

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.

But then they made Woody be a little more understanding and Buzz a little, forgive the word, dumber.

From BBC • Jun. 1, 2026

ChatGPT won’t make us dumb and dumber unless we let it.

From The Wall Street Journal • Dec. 7, 2025

More than anything else, it offers further evidence that Musk is a lot dumber than he ought to be, given his immense worldly success.

From Salon • Nov. 2, 2025

“The future is a lot dumber than I thought it would be,” the worker said.

From Los Angeles Times • Jul. 24, 2025

There is a herd of real buffalo in the Burn and this bull stands looking down on my leader—Wilson, who is very sweet and a wonderful dog but dumber than a walnut—smelling him.

From "Woodsong" by Gary Paulsen