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You watch the end of a sad film. The credits roll. You are crying, and somehow you feel lighter than you did two hours ago. Someone tells you that is catharsis.
So you look it up. You find Aristotle. You find a famous line about pity and fear. And then, if you keep reading, you find the odd part: Aristotle used that word once, in one sentence, and never explained what he meant by it.
More than two thousand years of argument have followed. And the plainest catharsis meaning was sitting inside the word the whole time.
Catharsis Meaning: One Word, and It Is Not “Release”
Catharsis is a Greek word — katharsis. It means a cleansing. A purification.
It comes from katharos, which means clean or pure, and the verb kathairein, to purify or to purge.
That is the whole thing. Not “release.” Not “venting.” Cleaning.
And the word was already old when Aristotle picked it up. The verb and its relatives turn up in Homer for purification rites — the washing and the ritual that made a person fit to come near something holy. The same family of words also covered a body being cleared of something harmful.
So if you want the short answer: catharsis means a cleaning. Everything after that is interpretation.
Aristotle Used It Once and Moved On
In the Poetics, Aristotle gives his definition of tragedy. Tragedy, he says, imitates a serious and complete action, in heightened language, acted out rather than narrated — and through pity and fear it accomplishes the katharsis of such emotions.
That last clause may be the most quoted phrase in the history of literary criticism.
It is also the only place in the Poetics where the word appears in that sense, and scholars have long pointed out that he never says what he means by it. He does not define it. He does not come back to it. He moves on to talk about plot.
So every confident sentence you have ever read about what catharsis “really is” — purging, purifying, clarifying, balancing — is somebody filling in a blank that Aristotle left. No single reading has won the argument. The nearest help comes from a passage in his Politics, where he talks about the katharsis that music works on listeners, and pity and fear turn up again.
Sit with that for a second. The word everyone reaches for to describe the thing that happens inside you at the end of a sad story was handed down undefined.
The word for a good cry belongs to a vocabulary about being made clean.
The “Let It All Out” Version Is Recent
Ask anyone today what catharsis is and you will hear some version of letting your feelings out. Cry it out. Shout it out. Write it out.
That reading is young. English dictionaries date the bodily sense of the English word to the 1770s, and the emotional sense — a purging through vicarious experience — to 1872. It came into everyday speech through the psychology of the late 1800s, not from Athens.
And notice what happened to the word along the way.
In every older use, katharsis was something done to you. The rite cleaned you. The medicine cleared you. The play worked on you while you sat in the dark and watched. You were the thing being cleaned.
In the modern version, catharsis is something you achieve. You produce it, by feeling hard enough.
That is a complete reversal of direction. Almost nobody notices it, because the word kept its shape while its meaning turned around.
The Same Word Family Runs Through the New Testament
Now the part the dictionary entries leave out.
Be precise about this: Aristotle’s exact noun, katharsis, does not appear in the Greek New Testament. What appears is its family. The verb katharizo, to make clean. The adjective katharos, clean or pure. And a close relative of Aristotle’s noun, katharismos — a cleansing — which occurs seven times.
Same root. Same idea. A different corner of the same vocabulary. If you enjoy watching a single Greek word change the shape of a sentence, the Greek word behind “prayer” does something similar.
And this one shows up in places you would not expect.
In Mark 7, in the middle of an argument about washing hands before eating, the King James Version gives the word its oldest and most physical meaning — “purging all meats.” Translators still disagree about exactly how that phrase attaches to the rest of the sentence. Nobody disagrees about the word family it belongs to.
Or John 2. At the wedding in Cana there are “six waterpots of stone, after the manner of the purifying of the Jews.” Those are washing jars. Cleaning jars. And out of those, of every container in that house, comes the first miracle.
From the Flesh to the Conscience
The clearest use of all is in Hebrews, and it does in two verses exactly what Aristotle did in one.
“For if the blood of bulls and of goats, and the ashes of an heifer sprinkling the unclean, sanctifieth to the purifying of the flesh: How much more shall the blood of Christ, who through the eternal Spirit offered himself without spot to God, purge your conscience from dead works to serve the living God?” — Hebrews 9:13-14, KJV
Read those two lines again and watch where the word travels.
First it is “the purifying of the flesh.” Outside. Skin. The part you can reach with water.
Then, in the very next breath, it is your conscience.
That is the same move Aristotle made — taking a word about washing a body and pointing it at something inside a person. Aristotle pointed it at the emotions of an audience in a theatre. Hebrews points it at the thing you carry around at two in the morning that no amount of washing has ever touched.
Both reached for the same word because there is no other word. When something is wrong on the inside, the only language any of us has for putting it right is the language of getting clean.
The Part That Changes It
Here is where the old use and the new use part company for good.
The modern version asks you to produce your own cleaning. Feel it hard enough. Cry it out properly. Get it all up and out and you will be fine.
Most people have tried that. You can cry about something for years and still wake up carrying it. A good cry moves a feeling around. It does not lift a stain.
Every older use of this word knew that, and built the sentence the other way round. Somebody else does the cleaning.
“If we confess our sins, he is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.” — 1 John 1:9, KJV
Your part in that sentence is one word long: confess, which only means say the true thing out loud. The cleansing is not your job. It never was. That is not a loophole and it is not a shortcut — it is the original direction of the word, put back the right way round.
If you like seeing what the Greek underneath a familiar verse actually says, the word behind “torment” in 1 John 4:18 does something just as surprising.
What to Do With This Today
- Say the thing out loud, once, alone. Not a softened version. The plain sentence, with the real words in it. Ten seconds. Naming it is the step almost everybody skips, and it is the only part the verse asks of you.
- Write it on a scrap of paper, read 1 John 1:9 over it, then tear the paper up. Two minutes, costs nothing. The point is not the ritual. The point is that your hands get to do what you have only been thinking about.
- Send one short message to the person involved. Not an explanation and not a defence. “I was wrong about that, and I am sorry.” That is the whole message. Send it today, before you have time to improve it.
And if what is stuck is not something you did but something that was done to you, that is a different kind of stain, and a different piece of work. The free Am I Ready to Forgive? check is a better place to start than this article.
A good place to start:
The Beginner’s Guide to Feeling God’s Presence Every Day. A short guide to noticing God in ordinary moments — the kitchen, the commute, the long night — instead of waiting for a dramatic one. Get the free guide. Free.
A Prayer You Can Pray Right Now
God, I have been trying to wash this one myself for a long time, and it has not worked. I am tired of pretending it is smaller than it is. Here is the true version of it, said out loud, with nothing taken off. I am not asking to feel better about it — I am asking to be made clean, because that was never something I could do for myself. Thank you that the washing was always your part.
A Question to Sit With
Do you think a hard cry actually changes anything, or does it just move a feeling around for a while? Tell us what you think in the comments — we read them.
Share This
- “Looked up what catharsis means. Turns out Aristotle used the word once, never explained it, and the actual meaning is ‘a cleansing.’ Two thousand years of arguing over a blank he left.” bgodinspired.com
- “The modern idea of catharsis is that you produce it by feeling hard enough. Every older use of the word is the opposite: somebody else does the cleaning. That is a bigger difference than it sounds.” bgodinspired.com
- “A good cry moves a feeling around. It does not lift a stain. I did not expect a Greek vocabulary lesson to land that hard.” bgodinspired.com
Catharsis: Q&A
What does catharsis mean?
Catharsis is a Greek word, katharsis, meaning a cleansing or a purification. It comes from katharos, “clean” or “pure,” and the verb kathairein, “to purify” or “to purge.” Long before Aristotle applied it to the effect of tragedy, the word family was used for religious purification rites and for a body being cleared of something harmful. The familiar modern sense of catharsis as emotional release is a much later development.
Did Aristotle explain what he meant by catharsis?
No. Aristotle used katharsis in his definition of tragedy in the Poetics — tragedy accomplishes, through pity and fear, the katharsis of such emotions — and that is the only place the word appears in that sense in the work. He never defines it and never returns to it. Scholars have argued for centuries over whether he meant purging, purifying, clarifying or balancing the emotions, and no single reading has settled the question.
Is the word catharsis in the Bible?
The exact Greek noun katharsis does not appear in the Greek New Testament, but its word family runs all through it. The verb katharizo (“to make clean”), the adjective katharos (“clean” or “pure”) and the noun katharismos (“a cleansing,” which occurs seven times) all share the same root. The King James Version renders them with words such as “purge,” “cleanse,” “purifying” and “pure.”
What is the difference between catharsis and katharizo?
Katharsis is a noun meaning a cleansing; katharizo is a verb meaning to make something clean. Both come from the Greek adjective katharos, “clean” or “pure.” Aristotle used the noun for what a tragedy does to the emotions of an audience. The New Testament uses the verb for what God does to a conscience — as in Hebrews 9:14, where the blood of Christ is said to “purge your conscience from dead works.”
Where does the idea of catharsis as emotional release come from?
The emotional-release sense of catharsis is a modern English development rather than a classical Greek one. English dictionaries date the bodily sense of the word to the 1770s and the emotional sense — described as a purging through vicarious experience — to 1872, after which it spread through the psychology of the late nineteenth century. In its older Greek uses, by contrast, katharsis was something performed on a person by a rite, a treatment or a drama, not something the person produced by feeling intensely.
