- (v.t.) To add strength to; to strengthen; to confirm; to furnish with power to resist attack.
- (v.i.) To raise defensive works.
- (v.t.) To strengthen and secure by forts or batteries or by surrounding with a wall or ditch or other military works; to render defensible against an attack by hostile forces.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). fortify. Retrieved September 22, 2026, from http://smartdefine.org/fortify/definitions/2009744 |
| Chicago | Webster's. 2011. "fortify" http://smartdefine.org/fortify/definitions/2009744 (accessed September 22, 2026). |
| Harvard | Webster's 2011, fortify, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/fortify/definitions/2009744>. |
| MLA | Webster's. "fortify" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/fortify/definitions/2009744> |