- (v.t.) That which fills up, completes or makes an addition to, something already organized, arranged or set apart; specifically, a part added to or issued as a continuation of, a book or paper, to make good its deficiencies or correct its errors.
- (v.t.) To fill up or supply by addition; to add something to.
- (v.t.) The number of degrees which, if added to a specified arc, make it 180ยก; the quantity by which an arc or an angle falls short of 180 degrees or an arc falls short of a semicircle.
- (v.t.) That which supplies a deficiency or meets a want; a store; a supply.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). supplement. Retrieved September 21, 2026, from http://smartdefine.org/supplement/definitions/2068797 |
| Chicago | Webster's. 2011. "supplement" http://smartdefine.org/supplement/definitions/2068797 (accessed September 21, 2026). |
| Harvard | Webster's 2011, supplement, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/supplement/definitions/2068797>. |
| MLA | Webster's. "supplement" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/supplement/definitions/2068797> |