- (a.) Capable of being extended.
- (a.) Having wide extent; of much superficial extent; expanded; large; broad; wide; comprehensive; as, an extensive farm; an extensive lake; an extensive sphere of operations; extensive benevolence; extensive greatness.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). extensive. Retrieved September 21, 2026, from http://smartdefine.org/extensive/definitions/2006337 |
| Chicago | Webster's. 2011. "extensive" http://smartdefine.org/extensive/definitions/2006337 (accessed September 21, 2026). |
| Harvard | Webster's 2011, extensive, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/extensive/definitions/2006337>. |
| MLA | Webster's. "extensive" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/extensive/definitions/2006337> |