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:

The NYT gives an excellent feel for the difficulties such questions might pose, ticking off details challenging various previous Clinton statements, garnered from the grand jury appearances of Betty Currie, Vernon Jordan and Secret Service personnel.
Some cases are challenging because they are so unusual.
SPEA has an impressive and dedicated faculty that includes inspiring teachers and distinguished scholars who are contributing to the solutions of some of our most difficult public policy and public management problems, including those concerning health, the environment, and criminal justice; it is attracting a diverse, capable group of students; and its graduates are making contributions in a wide range of challenging positions in the public, private, and non-profit sectors.
Overall, disappointingly few studies have examined the financial case for IT and quality, and doing so is methodologically challenging.
They sponsored evidence challenging the need for a cushion so substantially above and beyond the Postal Service's own best estimate of future increases in the cost of collecting, processing and delivering the mail.