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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

Several of the companies he shorted, or bet against, turned out to have real challenges.

From The Wall Street Journal • Jun. 4, 2026

Analysts however pointed to challenges for Oh should he embark on a bid for presidency.

From Barron's • Jun. 4, 2026

One of the biggest challenges remains charging infrastructure.

From BBC • Jun. 3, 2026

Without an ability to compose fiction, Neanderthals were unable to cooperate effectively in large numbers, nor could they adapt their social behaviour to rapidly changing challenges.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari



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