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.
Beluga whales are among the most challenging marine mammals to study.
From Science Daily • Jun. 4, 2026
The trio are in the middle of a challenging review of a landmark North American free trade agreement, known as the USMCA.
From BBC • 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
Women’s Open, wants Riviera Country Club to be an challenging test and a showcase for women’s golf.
From Los Angeles Times • Jun. 3, 2026
Pass the pattern: A more challenging version of this is to have students form two straight lines.
From "Music and the Child" by Natalie Sarrazin
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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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