- 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.
Artificial intelligence chatbots and image generators crunch reams of digital data, but building systems to navigate real-life environments is more challenging.
From Barron's • Jun. 11, 2026
As life gradually expanded from deeper waters into shallower marine environments, conditions became much more challenging.
From Science Daily • Jun. 10, 2026
Chief Executive Sumit Singh said that despite operating in a more challenging environment, Chewy continues to gain market share, expand profitability and add new customers.
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
More challenging was scrubbing off the black paint that she’d applied to her back feathers.
From "The Very, Very Far North" by Dan Bar-el
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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