- present participle of challenge.
challenging
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.
"Wolves are a highly complex social species and they are one of the most challenging species to keep well in captivity," he said.
From BBC ● Jul. 20, 2026
“Running an agency like BLS is never easy, but the last few years have been among the most challenging the agency has faced,” McEntarfer said.
From The Wall Street Journal ● Jul. 20, 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
Investors are concerned that if people spend less time watching Netflix, it could cause people to cancel their subscriptions and make it more challenging for Netflix to raise prices in markets like the U.S.
From Los Angeles Times ● Jul. 17, 2026
Your convincing victory at Reykjavik is eloquent witness to your complete mastery of the world’s most difficult and challenging game.
From "Endgame" by Frank Brady
Vocabulary lists containing challenging
Academic Vocabulary Toolkit 1, Words 11-20
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Towers Falling
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Persuasive and Assertive Tones
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