- (a.) Retaining fecal matter in the bowels; having too slow a motion of the bowels; constipated.
- (a.) Dry and hard; impermeable; unyielding.
- (a.) Reserved; formal; close; cold.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). costive. Retrieved September 23, 2026, from http://smartdefine.org/costive/definitions/1992051 |
| Chicago | Webster's. 2011. "costive" http://smartdefine.org/costive/definitions/1992051 (accessed September 23, 2026). |
| Harvard | Webster's 2011, costive, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/costive/definitions/1992051>. |
| MLA | Webster's. "costive" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/costive/definitions/1992051> |