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
Referring to the demonstrations, Ntshavheni said South Africans were within their rights to protest against "the spiralling illegal immigration challenge" but added that violence linked to previous protests was unacceptable.
From BBC • May 7, 2026
The state law was not directly at issue in the Supreme Court ruling, but Hasen argues the court’s reasoning could provide new legal grounds to challenge the state law as potentially unconstitutional.
From Los Angeles Times • May 7, 2026
Another challenge is that lab-grown insulin cells are often not mature enough to respond effectively to glucose.
From Science Daily • May 6, 2026
One night, a figure appeared who didn’t answer her challenge.
From "A Thousand Sisters" by Elizabeth Wein
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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