plunge

Sense 1 noun

a brief swim in water

Sense 2 verb

thrust or throw into

Immerse yourself in hot water

Sense 3 noun

a steep and rapid fall

Sense 4 verb

drop steeply

the stock market plunged

Sense 5 verb

dash violently or with great speed or impetuosity

She plunged at it eagerly

Sense 6 verb

begin with vigor

He launched into a long diatribe

Sense 7 verb

cause to be immersed

The professor plunged his students into the study of the Italian text

Sense 8 verb

fall abruptly

It plunged to the bottom of the well

Sense 9 verb

immerse briefly into a liquid so as to wet, coat, or saturate

dip the garment into the cleaning solution

Sense 10 verb

devote (oneself) fully to

He immersed himself into his studies