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:

Addressing emergency medicine training will be very challenging since emergency medicine professionals might have their own social norms of at risk alcohol usage that will influence their effectiveness and interest.
"In light of these findings, we believe that [the] 'challenging puzzle' has been solved."
But in Oscar Wilde, the celebrity culture has finally found a subject worthy of this superfluity, someone complicated and challenging enough to endure the excess and more.
The Economist , marking its "Science and Technology" section's 20 th anniversary, offers a challenging science quiz.
Searching databases on CAM related topics is challenging due to the diversity in the use of controlled vocabulary and indexing procedures in different databases.