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.
Rickover summed up the challenge for atomic innovators in a 1953 memo that distinguished between “academic reactors” and “practical reactors.”
From The Wall Street Journal • May 7, 2026
It’s a tale of the immense challenge of uniting this vast, sprawling metropolis of nearly 10 million people around an overarching vision of what public transit should look like and where it should go.
From Los Angeles Times • May 7, 2026
"One challenge is that sometimes it can be hard even for us to tell whether AI has been used in an ad," he adds.
From BBC • May 7, 2026
The next challenge is increasing the engine's power even further.
From Science Daily • May 6, 2026
Giving lessons “on the hoof,” as it were, was proving to be a mighty challenge.
From "The Unseen Guest" by Maryrose Wood
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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