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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.

"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

Artificial general intelligence is moments away, they say, and we’ll all soon be dumber than ChatGPT.

From The Wall Street Journal • Dec. 7, 2025

And everything it touches gets a little dumber and more difficult to trust.

From Slate • Dec. 19, 2024

Lucinda looks at me as if I’m a lot dumber than she thought I was.

From "Before We Were Free" by Julia Alvarez