Immersed

Webster's Dictionary of the English Language

·p.p. & ·adj Growing wholly under water.

II. Immersed ·Impf & ·p.p. of Immerse.

III. Immersed ·p.p. & ·adj Deeply occupied; engrossed; entangled.

IV. Immersed ·p.p. & ·adj Deeply plunged into anything, especially a fluid.