koan means A story about a Zen master and his student, sometimes like a riddle, other times like a fable or parable, which has become an object of Zen study, and which, when meditated upon, may unlock mechanisms in the Zen student’s mind leading to satori.
koan is pronounced /ˈkəʊ.ɑːn/.
Why “koan” is a great word
A paradoxical anecdote, dialogue, or question used in Zen Buddhism to provoke doubt and to transcend reliance on logical reasoning, thereby aiding meditation and the pursuit of enlightenment. From Japanese 公案 (kōan), from Middle Chinese 公案 (kung-ʔan, "public case; precedent, official business")—a term from legal bureaucracy repurposed for spiritual inquiry. Unlike a riddle, which invites clever solution through logic, or a parable, which wraps moral instruction in narrative clarity, a koan is a deliberate snare designed to collapse the discursive mind. It is the sound of one hand clapping, a doorframe without a door, the cypress tree in the courtyard; the mind, straining for sense, finds only silence, and in that silence, something breathes.
Etymology
From Japanese 公案 (kōan), derived from Chinese 公案 (gōng'àn, “official business”).
noun
- A story about a Zen master and his student, sometimes like a riddle, other times like a fable or parable, which has become an object of Zen study, and which, when meditated upon, may unlock mechanisms in the Zen student’s mind leading to satori.
- A riddle with no solution, used to provoke reflection on the inadequacy of logical reasoning, and to lead to enlightenment.e.g.“Gibberish. Or else a koan that Achtfaden isn’t equipped to master, a transcendent puzzle that could lead him to some moment of light.”
- A therapy technique used by Traditional Chinese medicinal physicians or medical practitioners to break a presenting patients habitual pattern of thinking that has been diagnosed as the primary cause of an illness or disease.
Words closest in meaning
By meaning, not spelling — each word's AI semantic fingerprint, nearest first.
- roshi 83% match — An elderly and revered Buddhist monk. vs koan →
- zazen 82% match — A form of seated meditation in Zen Buddhism. vs koan →
- satori 82% match — A sudden inexpressible feeling of spiritual awakening or enlightenment, the result of meditation and study. vs koan →
- zendo 82% match — A hall at a Zen buddhist monastery where formal seated meditation (zazen) is practiced. vs koan →
- sesshin 81% match — A period of intensive zazen meditation in a Buddhist monastery. vs koan →
- parable 81% match — A short narrative illustrating a lesson (usually religious/moral) by comparison or analogy. vs koan →
- kinhin 80% match — In Zen practice, the walking meditation practiced between zazen sessions. vs koan →
- buddha 80% match — Any other person considered similarly enlightened. vs koan →