challenge
noun
a call or summons to engage in any contest, as of skill, strength, etc.
is challenging
-
present progressiveof challenge (3rd person singular).present progressive
Used to describe an ongoing action or state that is currently taking place in the immediate present.
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.
A massive study involving more than 460,000 Americans is challenging assumptions about ultra-processed foods and colorectal cancer.
From Science Daily ● Oct. 21, 2026
"Its ability to develop increasingly competitive products at lower costs is challenging established assumptions around market share, pricing power and the durability of margins."
From Barron's ● Oct. 13, 2026
Measuring historic wealth by modern-day standards is challenging because the underlying economic conditions have changed drastically.
From MarketWatch ● Oct. 9, 2026
Collaring wolves in a pack that doesn’t already have the devices is challenging, he said.
From Los Angeles Times ● Sep. 30, 2026
Her life is challenging enough without throwing a goodbye into things.
From "They Both Die at the End" by Adam Silvera
