- so as to cover a wide range or area; broadly: He reads and travels extensively and is regarded as one of the best-informed men anywhere.
- in a far-reaching, comprehensive way; thoroughly: All the science departments have been extensively renovated, with new tutorial rooms and well-equipped laboratories.
- at great length or in great detail:He spoke extensively about the threats his daughter faces as a transgender individual.
- to a great degree or in great amounts or numbers; a lot:Although the river is used extensively by boaters, no official map has been developed to show the best places to dock, things to see, and hazards to avoid.
