plunge

nouns

a brief swim in water
a steep and rapid fall
is a type of (narrower)
a free and rapid descent by the force of gravity
"it was a miracle that he survived the drop from that height"

verbs

thrust or throw into
"Immerse yourself in hot water"
is derived from
is derived from
is derived from
drop steeply
"the stock market plunged"
dash violently or with great speed or impetuosity
"She plunged at it eagerly"
verb group
begin with vigor
"He launched into a long diatribe"; "She plunged into a dangerous adventure"
is a type of (narrower)
run or move very quickly or hastily
"She dashed into the yard"
begin with vigor
"He launched into a long diatribe"; "She plunged into a dangerous adventure"
cause to be immersed
"The professor plunged his students into the study of the Italian text"
fall abruptly
"It plunged to the bottom of the well"
is derived from
immerse briefly into a liquid so as to wet, coat, or saturate
"dip the garment into the cleaning solution"; "dip the brush into the paint"
is derived from
devote (oneself) fully to
"He immersed himself into his studies"