Siddha — The Perfected Being
A Siddha (perfected one) is one who has mastered the entire range of Tantric practice and attained both liberation (Moksha) and Siddhis (supernatural powers) — demonstrating mastery over all dimensions of existence.
Siddha (perfected one, achieved one) is the highest title in the Tantric tradition — one who has accomplished the full range of spiritual attainment including liberation (Mukti) and psychic powers (Siddhis). The 84 Mahasiddhas of the Vajrayana tradition and the 18 Siddhas of South India represent the most celebrated examples. Unlike spiritual traditions that view psychic powers (Siddhis) as distractions from liberation, Tantra views them as natural expressions of mastery over the energy body — the same practice that purifies the nadis and activates kundalini also develops paranormal capacities. Patanjali devotes an entire chapter of the Yoga Sutras (Vibhuti Pada) to Siddhis — levitation, knowledge of past lives, invisibility, and others — while warning that attachment to them impedes final liberation. The Tantric Siddha demonstrates that full spiritual attainment includes rather than excludes the powers of consciousness over matter.
The Siddha is free, powerful, and present — free from bondage, powerful in consciousness, present in every moment as Shiva.
Tirumular's Thirumanthiram, a foundational Tamil Siddha text, lists the eight classical siddhis but subordinates them to jivanmukti, warning that powers pursued for their own sake become obstacles.
Thirumanthiram