stumped

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.

Last month, OpenAI announced that its latest version of ChatGPT had solved a major math problem, one that had stumped experts for 80 years.

From Slate • Jun. 22, 2026

Because a famous math problem that stumped humans for the better part of a century has finally been toppled—by AI.

From The Wall Street Journal • May 30, 2026

When the vehicles violate traffic laws, some police have been stumped as to how to hold the driverless cars accountable.

From BBC • May 2, 2026

Ravindra had a charging Kusal Mendis stumped and then removed Pavan Rathnayake in similar fashion in the same over as the sellout crowd was stunned into silence.

From Barron's • Feb. 25, 2026

The Greeks were stumped by Achilles’ infinite steps.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife