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.
"We trust that the challenges initiated during the count will be resolved with the utmost transparency," added the statement by Spain, which maintains close ties with its former Latin American colonies.
From Barron's
This finding challenges existing models and suggests that large scale cosmic structures may shape galaxy rotation more strongly or over longer periods than previously believed.
From Science Daily
Their rivalry presents fascinating and dynamic challenges for the viewer to chew on, but only Marty’s character is truly rewarded with the extra depth.
From Salon
It was a Christmas message that did not dwell on any of the King's personal challenges.
From BBC
If parliament approves it, the government’s proposed commission is likely to face legal challenges, including possible petitions against it to the Supreme Court.
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.