challenge
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.
Astronomers say a recent challenge to one of the most important discoveries in modern cosmology has been resolved, with new research confirming that the universe is still expanding at an accelerating rate.
From Science Daily • Jun. 13, 2026
Cook, who also serves as an adjunct assistant professor in the School of Behavioral and Brain Sciences, said the findings challenge common assumptions about aging and cognition.
From Science Daily • Jun. 13, 2026
Though she may occasionally doubt her merits in this grand tradition of investigators, Minerva proves herself more than up for the challenge.
From The Wall Street Journal • Jun. 12, 2026
Just four days ago Sinfield announced his seventh and final annual challenge to raise money for MND charities.
From BBC • Jun. 12, 2026
“My latest challenge video is doing extremely well, thank you,” he says.
From "The Manifestor Prophecy" by Angie Thomas
Vocabulary lists containing challenge
List 2
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The SAT: Language of the Test, List 4
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Academic Vocabulary Toolkit 1, Words 11-20
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