Extensive and Voluminous

Extensive adjective - Having considerable extent.

Voluminous is a synonym for extensive in great topic. In some cases you can use "Voluminous" instead an adjective "Extensive", when it comes to topics like spacious, far-reaching. popular alternative

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

Voluminous adjective - Of a size greater than average of its kind.

Extensive is a synonym for voluminous in big topic. You can use "Extensive" instead an adjective "Voluminous", if it concerns topics such as vast. popular alternative

Nearby Words: volume, voluminously