Costive

Cos´tive Pronunciation: k?s´t?v

a.	1.	Retaining fecal matter in the bowels; having too slow a motion of the bowels; constipated.
	2.	Reserved; formal; close; cold. You must be frank, but without indiscretion; and close, but without being costive. - Lord Chesterfield.
	3.	Dry and hard; impermeable; unyielding. Clay in dry seasons is costive, hardening with the sun and wind. - Mortimer.

Adj.

costive - retarding evacuation of feces

Antonyms:

laxative - stimulating evacuation of feces