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challenging
adjective
Requiring full use of your abilities or resources
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adjective
Requiring full use of your abilities or resources
“Ambitious schedule”
adjective
Disturbingly provocative
“An intriguing smile”
adjective
Stimulating interest or thought
“A challenging hypothesis”
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Example Sentences
Ambitious schedule
Performed the most challenging task without a mistake
An intriguing smile
A challenging hypothesis
A thought-provoking book
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