- present progressive of challenge (3rd person singular).
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.
Now, the emergence of megacap private companies like SpaceX is challenging that framework.
From MarketWatch • Jun. 2, 2026
"I believe, and the futures market is showing us, oil will be lower than pre-conflict levels," he said -- while admitting that the economy is "challenging now."
From Barron's • May 28, 2026
With two magical allies — Faizah Malik, who is challenging Councilmember Traci Park, and Board of Education member Rocio Rivas — they saved homes from being bulldozed by corporate villains.
From Los Angeles Times • May 24, 2026
The latest outbreak is challenging because it involves a rare species of Ebola for which there is no vaccine, and the epicentre is in an area affected by conflict.
From BBC • May 24, 2026
The premise is challenging and conceptual, but fascinating.
From "The Tipping Point" by Malcolm Gladwell
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