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.
Agency chief Mike Burgess said a "complex, challenging and changing security environment is becoming more dynamic, diverse and degraded".
From Barron's
"To be a national team coach of such a large country with a big population that's passionate is a massive challenge," he told the Asian Football Confederation website.
From Barron's
Her determination to help others seems to come from the challenges she has had to battle as a survivor.
From BBC
The UK has a similar, voluntary reporting scheme, but shadow fleet vessels often ignore it or alter course when challenged.
From BBC
The company hires from nearby Georgia Tech and plans to pursue some of the same strategies as bigger firms, but paying high salaries to improve the chances of employees in the lottery is another challenge.
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.