rigorous

For good reason—his sentences are enormous and repetitive, and his subjects are rigorously examined from all angles.

To show how it all plays out, Rosin spent many months reporting—and, indeed, The End of Men is rigorously researched.

The Paul campaign has rigorously organized its volunteers to attend the mass precinct meetings that took place all over Georgia.

According to reports, Amiri was detained at the airport in Jeddah and rigorously questioned by Saudi security.