rigorous in Russian
rigorous in Russian
скрупулёзный
Showing, causing, or favoring rigour/rigor; scrupulously accurate or strict; thorough.
стро́гий
Showing, causing, or favoring rigour/rigor; scrupulously accurate or strict; thorough.
то́чный
Showing, causing, or favoring rigour/rigor; scrupulously accurate or strict; thorough.
суро́вый
Severe; intense.