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.
In a Question and Answer discussion, Ghosh and Upadhyay explained how quantum computers work, why they face unique security challenges, and what steps developers can take to prepare these machines for wider use.
From Science Daily
It’s sometimes the things that are assumed underneath the factual statement that people pretend is absolute truth and few people challenge.
From Salon
They answered every challenge and turned college football upside down.
They also point to other local regulations that make it challenging to evict tenants who don’t pay their rent.
From Los Angeles Times
They also must consider the intangibles needed to steer Disney through its steep business challenges.
From Los Angeles Times
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.