challenges
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.
That result challenges a long-standing assumption that microglia established early in development remain in the brain for a person's entire life.
From Science Daily ● Sep. 15, 2026
A recent Stanford University report underlined the practical and ethical challenges around deploying robots in battlefields.
From The Wall Street Journal ● Sep. 14, 2026
The EPA's move is expected to face immediate legal challenges.
From BBC ● Sep. 14, 2026
The rollback is likely to face immediate legal challenges.
From Los Angeles Times ● Sep. 14, 2026
“In light of all the political fuss that’s going on, I think my presence on the team challenges those misconceptions that people have about who a Muslim woman is and can be.”
From "Proud" by Ibtihaj Muhammad
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