difficult problem
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.
“It’s a very difficult problem, and society as a whole is not investing enough money in infrastructure ... especially water infrastructure,” said Lucio Soibelman, a professor of civil and environmental engineering at USC.
From Los Angeles Times ● Jul. 25, 2026
“It’s a notoriously difficult problem for classical computers,” Chow explained.
From Barron's ● Jan. 29, 2026
In a case like Prince Harry and his family, sometimes the best available outcome of a difficult problem is only possible when the other party won't even come to the table.
From Salon ● May 10, 2025
The complex mouse model took several years to develop and characterize but has allowed the researchers to crack this difficult problem.
From Science Daily ● Feb. 8, 2024
It ticked in a satisfied and self-important way, as if it had managed to solve some difficult problem.
From "Raymie Nightingale" by Kate DiCamillo
