immerse — OET

immerse

verb

1 litmus paper turns red on being immersed in acid:

submerge, plunge, dip, dunk, duck, sink;

douse, souse, soak, drench, imbue, saturate, cover, rinse, wet.

2 the new Christian would be immersed in the river:

baptize, christen;

purify;

informal , dated dip;

rare lustrate.

3 Elliot was immersed in his work:

absorb, engross, occupy, engage, involve, engulf, bury;

busy, employ, distract, divert, preoccupy;

informal lose oneself in, get lost in.

immerse Oxford Dictionary of English