challenge
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.
By closely examining the people who died in what may be one of Europe's earliest known victory celebrations, scientists are challenging long-held assumptions about prehistoric warfare and its purpose.
From Science Daily
This question lies at the center of a growing conservation challenge at Monte Leon National Park on Argentina's Patagonian coast.
From Science Daily
The plans are a challenge for a country with no experience operating its own nuclear-powered submarines.
But these past few months have arguably been the most challenging of Howe's stint at the club - on and off the field - and the strain can be traced as far back to the summer.
From BBC
The visit comes after a challenging seven days for the Royal Family, as the Epstein files continue to bring further embarrassment.
From BBC
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.