Retaining fecal matter in the bowels; having too slow a motion of the bowels; constipated.
Reserved; formal; close; cold. [Obs.] "A costive brain." Prior. "Costive of laughter." B. Jonson. You must be frank, but without indiscretion; and close, but without being costive. Lord Chesterfield.
Dry and hard; impermeable; unyielding. [Obs.] Clay in dry seasons is costive, hardening with the sun and wind. Mortimer.
98,828 entries. Headwords are matched first, then definition text.