'Cathartic' definitions:

Definition of 'cathartic'

From: WordNet
adjective
Emotionally purging [syn: cathartic, psychotherapeutic]
adjective
Emotionally purging (of e.g. art) [syn: cathartic, releasing]
adjective
Strongly laxative [syn: cathartic, evacuant, purgative]
noun
A purging medicine; stimulates evacuation of the bowels [syn: purgative, cathartic, physic, aperient]

Definition of 'Cathartic'

From: GCIDE
  • Cathartic \Ca*thar"tic\, Catharical \Ca*thar"ic*al\, a. [Gr. ?, fr. ? to cleanse, fr. ? pure; akin to F. chaste.]
  • 1. (Med.) Cleansing the bowels; promoting evacuations by stool; purgative. [1913 Webster]
  • 2. Of or pertaining to the purgative principle of senna, as cathartic acid. [1913 Webster]

Definition of 'Cathartic'

From: GCIDE
  • Cathartic \Ca*thar"tic\, n. [Gr. ?.] (Med.) A medicine that promotes alvine discharges; a purge; a purgative of moderate activity. [1913 Webster]
  • Note: The cathartics are more energetic and certain in action that the laxatives, which simply increase the tendency to alvine evacuation; and less powerful and irritaint that the drastic purges, which cause profuse, repeated, and watery evacuations. -- {Ca*thar"tic*al*ly}, adv. -- {Ca*thar"tic*al*ness}, n. [1913 Webster]