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Grammatical Analysis
Upacārasamādhi: [m.] access concentration; neighborhood concentration; approach concentration. Formed by prefix upa (near, close to) + cāra (moving, wandering) + samādhi (concentration). Literally means “the concentration that roams in the immediate neighborhood of jhāna.”
Orthodox Definition
Upacārasamādhi is a highly advanced state of unification where the mind has successfully reached the very border of absorption (appanā-samādhi / jhāna), but has not yet crossed over into it.
This state is characterized by two defining markers:
- The absolute, simultaneous suppression of the five mental hindrances (nīvaraṇa).
- The arising of the luminous counterpart sign (paṭibhāganimitta).
In access concentration, the mind is radiantly clear, due to the suppression of the hindrances. However, the jhāna factors are not yet fully hardened. The Visuddhimagga compares it to a toddler learning to walk: the child stands up, takes a few steps, and falls down again. The mind locks onto the luminous sign, but occasionally dips back into the subconscious life-continuum (bhavaṅga).
For many meditation subjects (like the recollection of the Buddha), this is the highest possible state achievable, serving as an incredibly pure platform from which to launch insight (vipassanā) practice.
Quote
123. duvidho hi samādhi upacārasamādhi ca appanāsamādhi ca.
“Indeed, concentration is of two kinds: access concentration (upacārasamādhi) and absorption concentration (appanāsamādhi).”dvīhākārehi cittaṃ samādhiyati upacārabhūmiyaṃ vā paṭilābhabhūmiyaṃ vā.
“The mind becomes concentrated in two ways: in the sphere of access or in the sphere of attainment.”tattha upacārabhūmiyaṃ nīvaraṇappahānena cittaṃ samāhitaṃ hoti.
“Therein, in the sphere of access, the mind is concentrated by the abandonment of hindrances.”paṭilābhabhūmiyaṃ aṅgapātubhāvena.
“In the sphere of attainment, by the manifestation of the jhāna factors.”dvinnaṃ pana samādhīnaṃ idaṃ nānākāraṇaṃ, upacāre aṅgāni na thāmajātāni honti, aṅgānaṃ athāmajātattā, yathā nāma daharo kumārako ukkhipitvā ṭhapiyamāno punappunaṃ bhūmiyaṃ patati, evameva upacāre uppanne cittaṃ kālena nimittamārammaṇaṃ karoti, kālena bhavaṅgamotarati.
“But this is the distinction between the two concentrations: in access, the factors are not strong; because the factors are not strong, just as a young child repeatedly falls to the ground when lifted and placed, so too, when access concentration arises, the mind at times takes the nimitta as its object, and at times descends into the life-continuum (bhavaṅga).”— Visuddhimagga (IV, 123)
Textual References
- Textual: Abhidhammatthasaṅgaha (Chapter IX) – Categorizing access concentration as the necessary threshold for entering the material absorptions.
- Commentary: Visuddhimagga (Chapter IV) – The classic toddler simile explaining the mechanical difference in factor-stability between access and full absorption.