challenge
noun
a call or summons to engage in any contest, as of skill, strength, etc.
are challenging
-
present progressiveof challenge.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.
New research from Monash University suggests that recent discoveries about human evolution are challenging the traditional system scientists use to name and classify our ancestors.
From Science Daily ● Aug. 20, 2026
"I don't want to come on here and be delusional that there is no process, there is no forces at work which are challenging the prime minister as leader," Kyle added.
From BBC ● Jun. 21, 2026
Frontier artificial intelligence models are challenging some longstanding beliefs about how to make organizations secure.
From The Wall Street Journal ● Jun. 10, 2026
In recent months, other factors have emerged that are challenging smartphone sales.
From Barron's ● May 27, 2026
Today we are challenging another ownership,-the ownership of materials which go to make the goods we need.
From Darkwater Voices from Within the Veil by W. E. B. (William Edward Burghardt) Du Bois
