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.
Diabetes is one of the fastest-growing health challenges worldwide, affecting hundreds of millions of people.
From Science Daily
"This precision-based strategy allows us to revisit important biological targets that were previously considered too challenging to develop safely."
From Science Daily
The company says it understands what this could mean for staff but argues it is dealing with challenging marketing conditions.
From BBC
His cycling challenge, which began in Weymouth and ends in Edinburgh, has already raised more than £1.6m for Comic Relief.
From BBC
Even the increased use of gas from democratic ally Norway comes with challenges.
From BBC
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.