cathartic

noun

Synonyms of catharticnext
: a medicine that causes the bowels to be purged (see purge entry 1 sense 2a) : purgative

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Word History of Catharsis and Cathartic

Catharsis and cathartic both trace to the Greek word kathairein, meaning “to cleanse, purge.” Catharsis entered English as a medical term having to do with purging the body—and especially the bowels—of unwanted material. The adjective cathartic entered English with a meaning descriptive of such a physically cleansing purge. It didn’t take long for people to start using these words figuratively in reference to emotional release and spiritual cleansing.

Word History

Etymology
First Known Use

1651, in the meaning defined above

Time Traveler
The first known use of cathartic was in 1651

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Cite this Entry

“Cathartic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cathartic. Accessed 11 Jun. 2026.

Kids Definition

cathartic

noun
ca·​thar·​tic
kə-ˈthärt-ik
: a strong laxative
cathartic adjective

Medical Definition

cathartic

1 of 2 adjective
ca·​thar·​tic kə-ˈthärt-ik How to pronounce cathartic (audio)
: of, relating to, or producing catharsis

cathartic

2 of 2 noun
: a cathartic medicine : purgative
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