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.
Measuring low-frequency electric fields with high precision is still a major scientific challenge.
From Science Daily • Apr. 17, 2026
The challenge is verifying all that loose talk.
From Los Angeles Times • Apr. 17, 2026
Altman has tried to use OpenAI resources to back companies that challenge Musk—a personal rival who is suing OpenAI for abandoning its nonprofit mission in a trial set to begin this month.
From The Wall Street Journal • Apr. 17, 2026
Villa are under no illusions about the challenge ahead as they head into the semi-final against Forest as tournament favourites.
From BBC • Apr. 16, 2026
He trembles in the webbing, even while trying his best to stand still—perhaps his biggest challenge yet since entering Asamando.
From "Kwame Crashes the Underworld" by Craig Kofi Farmer
Vocabulary lists containing challenge
The SAT: Language of the Test, List 4
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List 2
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Academic Vocabulary Toolkit 1, Words 11-20
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