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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.

“We’re getting fatter and dumber, and our mental health is deteriorating,” the author writes, which is what “a half century-plus of mass-affluence consumerism has brought us.”

From The Wall Street Journal • Jun. 2, 2026

My anxiety about A.I. is not that it will make my job obsolete but that it will make me a little dumber.

From Slate • May 24, 2026

"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

“Tell me the truth. Do you think I’m smarter or dumber than Hanako?”

From "A Place to Belong" by Cynthia Kadohata