is challenging
- present progressive of challenge (3rd person singular).
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.
Getting to the bottom of foodborne illnesses is challenging, partly because the contaminated food might not be readily available by the time that health authorities become aware of a problem and look into it.
From The Wall Street Journal ● Jul. 24, 2026
"This is challenging work," adds Dr. Claeys, a professor with Vrije Universiteit Brussel currently visiting the Pacific Centre for Isotopic and Geochemical Research with Earth, Ocean and Atmospheric Sciences at UBC.
From Science Daily ● Jul. 19, 2026
In the past, many housing developers have shied away from building affordable housing because assembling the subsidies needed to make construction profitable is challenging.
From Los Angeles Times ● Jun. 30, 2026
Tom Pickens, chief executive and chief technology officer says, "All of it is challenging."
From BBC ● Jun. 16, 2026
Joon stands with his hands on his hips like he is challenging the kid to do better.
From "A Step from Heaven" by An Na
