Extensive and Rigorous

Extensive adjective - Having considerable extent.

Rigorous and extensive are semantically related. In some cases you can use "Rigorous" instead an adjective "Extensive".

Nearby Words: extend, extension, extensively, extensible, extender

Rigorous adjective - Given to exacting standards of discipline and self-restraint.

Extensive and rigorous are semantically related. Sometimes you can use "Extensive" instead an adjective "Rigorous".

Nearby Words: rigorously, rigor, rigour, rigorism