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
In the first few weeks after Bambi's birth, Hague described challenges including struggling to produce breast milk.
From BBC • Jun. 4, 2026
A doppelganger challenges Senator Dan Sullivan, in a bid to confuse Last Frontier voters in a ranked-choice voting system.
From The Wall Street Journal • Jun. 3, 2026
“As AI workloads continue to scale and drive unprecedented demand for compute, power delivery has become one of the most critical challenges in enabling next-generation gigawatt AI factories,” said CEO Chris Allexandre in the statement.
From Barron's • Jun. 3, 2026
In scaling up a community health project such as Socios en Salud into a national one, Jim and Paul faced many challenges.
From "Mountains Beyond Mountains" by Tracy Kidder and Michael French
