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.
Scientists have uncovered an unexpected way the immune system can attack cancer, a finding that challenges a long-standing principle in immunology and could lead to new approaches for cancer treatment and bone marrow transplantation.
From Science Daily • Jun. 4, 2026
"President Lai's recent visit to Eswatini has once again made the world feel the challenges facing Taiwan's diplomacy," he wrote on Facebook.
From BBC • Jun. 4, 2026
Analysts however pointed to challenges for Oh should he embark on a bid for presidency.
From Barron's • Jun. 4, 2026
This outbreak wasn’t detected earlier because of a combination of diagnostic and security challenges.
From The Wall Street Journal • Jun. 3, 2026
Few challenges to sentencing schemes, patterns, or results have been brought since McCleskey, for the exercise is plainly futile.
From "The New Jim Crow" by Michelle Alexander
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