extensive

/ɛkstˈɛnsɪv/

/ɪkˈstɛnsɪv/

extensive

covering a large area or having a wide range or scope

synonyms : extended

broad in scope or content

of agriculture; increasing productivity by using large areas with minimal outlay and labor

antonyms : intensive

Examples

1. His vocabulary in Spanish is quite extensive for a beginner.

2. They had to undergo extensive training to catch up with their colleagues.

3. A very extensive research and development programme ensures that we're ahead of the game.

4. We have access to a library with extensive resources at college.