Words similar to rigorous

Example sentences for: rigorous

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

A supplier attempting to meet the rigorous standards of a lean retailer—whether a shirt manufacturer for Wal-Mart, a pasta-maker for Ralph’s Food, or an electronic drill supplier for Home Depot—must hold a far larger amount of inventory if it has not invested in a comprehensive set of information technology and short-cycle production capacity.
The definition of FPM implemented in PKQuest is both rigorous and intuitive.
(When he writes, "Let no one read me who is not a mathematician," he is using the term loosely, to suggest a rigorous cast of mind.)
Third, how rigorous and defensible would customer-specific costs have to be in order to qualify as an acceptable base for a contract, and would the costing receive review by any outside party?
For the hosts, too, Crossfire is a more intellectually rigorous experience than the other shows--or, in a way, than print punditry.