extensive

3 definitions • 7 examples

covering a large area; having a great range:

extensive grounds a school with extensive grounds

extensive repairs extensive repairs to the motorway

Her knowledge of music is extensive (= she knows a lot about music).

The wedding received extensive coverage in the newspapers (= it was written about a lot).

covering a large area; having or being a large amount:

Extensive roadway repairs are causing traffic problems.

Extensive also means wide in range and including much detailed information:

Her knowledge of music is extensive.

Foster did extensive research on electromagnetic fields.