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
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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