Words similar to challenging

Example sentences for: challenging

How can you use “challenging” in a sentence? Here are some example sentences to help you improve your vocabulary:

Sustaining top leadership commitment to improvement is particularly challenging in the federal government because of the frequent turnover of senior agency political officials.
I also don't want to leave our May Day thread without challenging your equation of Communists and Nazis.
When critics pointed out that Bradley's bill hadn't passed until after the woman's daughter was born, Bradley accused the Gore campaign of displaying "a real insensitivity" by challenging the ad.
The surprising premise of the current exhibition at the Art Institute of Chicago is that much of Degas' most challenging and inventive work dates from the 1890s and the first years of this century.
Conducting adequately powered genomics studies of stroke in humans is considerably more challenging.