be immersed in something Definition

immerse
verb immersed, immersing

1. To dip it or them into or under the surface of a liquid completely.

Thesaurus: submerge, dip, plunge, dunk, drown, bathe, steep, soak, drench, souse; Antonym: raise up, uncover.
2. To baptize them by submerging their whole body in water.

Idiom: be immersed in something

To be occupied or involved deeply in it; to be absorbed.
Example: soon became immersed in the book
Thesaurus: be engrossed in, be engaged in, be involved in, be absorbed by, be preoccupied with.

Derivative: immersible
adj

Etymology: 17c: from Latin immergere to dip.