Immersed; buried; hid; sunk.
To plunge into anything that surrounds or covers, especially into a fluid; to dip; to sink; to bury; to immerge.
cause to be immersed; "The professor plunged his students into the study of the Italian text"
To baptize by immersion.
To engage deeply; to engross the attention of; to involve; to overhelm.
engross (oneself) fully; "He immersed himself into his studies"
To put completely under water.
thrust or throw into; "Immerse yourself in hot water"
enclose or envelop completely, as if by swallowing; "The huge waves swallowed the small boat and it sank shortly thereafter"