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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.

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

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

From Los Angeles Times • Jul. 24, 2025

This concept is not new: The Greek philosopher Socrates was afraid that the invention of writing would make humans dumber because we wouldn’t exercise our memory as much.

From Salon • Jun. 8, 2025

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

From "A Place to Belong" by Cynthia Kadohata