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.
"The challenge has always been that these systems have too much symmetry. All the atoms are talking to light in the same way," Clerk said.
From Science Daily • Jun. 6, 2026
"Ensuring that his message reaches everyone and speaks to everyone is a major challenge," he said.
From Barron's • Jun. 6, 2026
In rising from political obscurity to challenge longtime Republican Sen. Susan Collins, Platner has left Maine voters with two disparate impressions.
From The Wall Street Journal • Jun. 6, 2026
The litigation would seek to challenge the proposed merger on antitrust grounds, arguing it would thwart competition, lower wages and lead to widespread job losses.
From Los Angeles Times • Jun. 5, 2026
The challenge of running a nuclear reactor lies in keeping the number of bouncing neutrons inside it steady.
From "Meltdown" by Deirdre Langeland
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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