[ik-sten-siv] 
| 1. | of great extent; wide; broad: an extensive area. |
| 2. | covering or extending over a great area: extensive travels. |
| 3. | far-reaching; comprehensive; thorough: extensive knowledge. |
| 4. | lengthy: an extensive journey. |
| 5. | great in amount, number, or degree: an extensive fortune; extensive political influence. |
| 6. | of or having extension: Space is extensive, time durational. |
| 7. | noting or pertaining to a system of agriculture involving the use or cultivation of large areas of land with a minimum of labor and expense (opposed to intensive ). |
[ek-sten-siv-i-tee, ik-] , noun