- 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.
"That is very challenging, but this unfamiliar data is also very helpful for the robot's growth."
From Barron's • Jun. 11, 2026
“Accommodating the changing needs and preferences of employees in a high-turnover industry is a complex optimization problem that has been challenging, even for sophisticated software to solve,” said Williams Woolley.
From The Wall Street Journal • Jun. 10, 2026
Ignoring that gap could set up loved ones for issues during an already challenging time.
From MarketWatch • Jun. 10, 2026
Midfielder Kendall showed she is more than capable of challenging for a regular role, while Manchester City's Blindkilde Brown was a standout performer in the victory over Ukraine in the number 10 position.
From BBC • Jun. 9, 2026
Her lasting legacy to the 587th Bomber Aviation Regiment was in choosing the challenging Pe-2 dive-bomber planes that they flew, and the 587th’s commitment to those planes would have made her proud.
From "A Thousand Sisters" by Elizabeth Wein
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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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