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.

"Rather than becoming dumber, we are becoming more specialised for the job," said Tania Esparza.

From BBC • Mar. 4, 2026

That didn’t stop him from getting dumber ever since.

From Los Angeles Times • Jan. 15, 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

I think she had figured it would be easy to work with people who were dumber than she was.

From "Out of My Mind" by Sharon M. Draper