Of all the words in yoga, samadhi (समाधि) collects the most fog. It's described as bliss, trance, union, enlightenment, cosmic consciousness — often by people selling something. The source text is considerably more sober. In Patanjali's Yoga Sutra, samadhi is the eighth and final limb of yoga, and it's defined with almost bureaucratic precision: the state where the mind rests on its object so completely that the awareness of "I am meditating" drops away, and only the object shines.
The root: putting together
Samadhi is built from sam ("together, completely"), a (intensifier), and dha ("to place, to hold"). So: a complete placing-together, a total gathering. The image is of a mind that has stopped scattering. Where ordinary attention is a flashlight beam waving around a dark room, samadhi is the beam resting on one thing until the room itself goes quiet.
It's worth noticing what's not in the definition: no visions, no floating, no mystical download. Patanjali's samadhi is an achievement of stability, not of special effects.
Where it sits in the eight limbs
The eight limbs, as the Sutra lays them out, run roughly from outside to inside: the yamas and niyamas (ethical ground), asana (a steady seat), pranayama (breath regulation), pratyahara (turning the senses inward), and then an inner triad: dharana (holding attention on one thing), dhyana (that holding becoming continuous — what we call meditation), and samadhi (the continuity becoming transparent).
Patanjali gives these last three a collective name, samyama, and treats them as one process at three depths. Dharana is picking up the object. Dhyana is carrying it without setting it down. Samadhi is forgetting you're carrying anything at all. The distinction is a spectrum, not a staircase with doors.
The flavors the Sutra describes
Patanjali doesn't present samadhi as a single switch. The early chapters distinguish several textures:
- Savitarka / savichara — absorption with conceptual content still present, on a gross or then a subtle object. The mind is steady but still "thinking about" in a refined way.
- Samprajnata samadhi — "cognitive" absorption generally: the object is known, and knowing it fills the field.
- Asamprajnata samadhi — absorption without an object: even the object falls away, and only latent impressions remain. This is the deepest the Sutra's map goes.
You don't need to memorize the taxonomy. The point of it is that the tradition treats absorption as a trainable, gradable skill — something with shallow and deep ends — not a lightning strike that either hits you or doesn't.
What it's not
Three common confusions are worth clearing:
- It's not relaxation. Deep rest, yoga nidra, a good savasana — these are genuinely valuable, but they're recovery, not absorption. Samadhi is intensely alert. The traditions compare it to a flame in a windless place: perfectly still and fully bright.
- It's not trance or dissociation. In trance, awareness dims and suggestsibility rises. Samadhi is the opposite: awareness sharpens while self-commentary quiets. If you come out fuzzy and drained, that wasn't it.
- It's not a mood you can chase. The Sutra's own logic makes chasing counterproductive — grasping is precisely the activity that has to settle. You prepare the ground (the other seven limbs) and the state arrives or doesn't, on its own schedule.
The honest modern version
Most practitioners will never sit in objectless absorption for hours, and the tradition would say that's fine — the path is the point. But shallow samadhi is not rare. You've touched it: the run where the thinking stopped and there was just running; the hour of absorbed work where you looked up and the afternoon was gone; a few breaths in meditation where counting stopped and there was only breath. Psychologists call it flow. Patanjali would call it the shallow end of the pool, and would encourage you to keep swimming.
That's the usable takeaway: samadhi is a direction — toward less fragmentation, more steadiness — not a trophy for the shelf. Every sincere minute of practice moves along it, and no minute is wasted because it didn't produce fireworks.
Samadhi is not an altered state you visit. It's what attention looks like when nothing is pulling it apart.