| Costive 1. (a.) Retaining fecal matter in the bowels; having too slow a motion of the bowels; constipated. 2. (a.) Reserved; formal; close; cold. 3. (a.) Dry and hard; impermeable; unyielding. Thesaurus Entries Lethean, absentminded, amnestic, arrested, back, backward, behindhand, belated, bound, choked, choked up, clogged, clogged up, congested, constipated, converted, costive, delayed, delayed-action, detained, forgetful, forgetting, foul, fouled, full, heedless, held up, hung up, in a bind, in abeyance, inclined to forget, infarcted, jammed, late, latish, moratory, never on time, oblivious, obstipated, obstructed, overdue, packed, plugged, plugged up, repressed, retarded, slow, stopped, stopped up, stuffed, stuffed up, suppressed, tardy, unmindful, unpunctual, unready, untimely | ![]() |