I.
noun
ADJECTIVE
▪ cold
▪
Bathers would go straight from the hot room to take a cold ~.
▪ downward , headlong ( both figurative )
▪
the economy's downward ~
▪
his headlong ~ into shame and hypocrisy
VERB + PLUNGE
▪ survive
▪
How did he survive his icy ~?
▪ take ( usually figurative )
▪
She prepared to take the ~ into the cold waters of Lake Ontario.
▪
He finally took the ~ and gave in his notice.
PREPOSITION
▪ ~ into
▪
a ~ into the icy water
▪ ~ to
▪
a ~ to the ground
II.
verb
ADVERB
▪ ahead ( AmE , often figurative ), back , downwards/downward , forward , head first , headlong
▪
City officials are plunging ahead with plans for a new convention center.
▪
The car ~d headlong into the river.
▪ in
▪
The pool was declared open and eager swimmers ~d in.
PREPOSITION
▪ down
▪
The bus came off the road and ~d down an embankment.
▪ from
▪
He ~d from a tenth floor window.
▪ into ( often figurative )
▪
She ~d straight into her story.
▪ off
▪
The car had ~d off the road.
PHRASES
▪ ~ to your death
▪
A climber ~d 300 feet to his death.
Plunge is used with these nouns as the subject: ↑ horse , ↑ price , ↑ profit , ↑ rate , ↑ stock
Plunge is used with these nouns as the object: ↑ knife , ↑ needle , ↑ per cent , ↑ point