adj. & n.
--adj.
1. relating to knowledge, esp. esoteric mystical knowledge.
2 (Gnostic) concerning the Gnostics; occult; mystic.
--n. (Gnostic) (usu. in pl.) a Christian heretic of the 1st-3rd c. claiming gnosis.
Derivatives:
Gnosticism n. gnosticize v.tr. & intr.
Etymology: eccl.L gnosticus f. Gk gnostikos (as GNOSIS)