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.
The researchers identified a previously unrecognized role for the MHC class I pathway in immune responses driven by CD4+ T cells, challenging the traditional view that these pathways operate separately.
From Science Daily • Jun. 4, 2026
"It had been a long summit push. What should have been five days to the summit and back took us 11 days, that's how challenging the conditions were," said Thrall.
From Barron's • Jun. 4, 2026
Ryan told MLAs about the case of an autistic teenager with challenging behaviours and "significant social and emotional support needs".
From BBC • Jun. 3, 2026
Companies polled by S&P Global reported a challenging backdrop of uncertainty was weighing on sales and sentiment, and sparked a dip in industry employment.
From The Wall Street Journal • Jun. 3, 2026
Allowing them to be together for more than a few stolen hours, without challenging the rules of the game.
From "The Night Circus" by Erin Morgenstern
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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