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.
If confirmed, the results would challenge a foundational idea in astronomy that has guided research for nearly 50 years.
From Science Daily
Riggs knew what he was doing in challenging King, a player whose public figure was tied into the ever-growing women's rights movement.
From BBC
Pharmacists and doctors said the piles of old mail-order prescriptions pose risks to older patients, particularly those with memory or vision challenges.
“Instead of jumping out of the boat when a challenge arises, can you take a breath and stay present?” she says.
"We have to ensure that support is available both during pregnancy and after birth, in recognition that these life changes can pose different challenges."
From BBC
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
