plunge into

plunge into (something)

1. Literally, to dive into or immerse oneself in a mass of something, typically a body of water. He plunged into the river to find relief from the heat. The detective plunged into the crowd of people in pursuit of the suspect.
2. By extension, to immerse oneself in or become consumed by some activity. The new team plunged into the project, hoping to salvage the work that had already been done.
3. To immerse someone or something into some mass of something or body of liquid. In this usage, a noun or pronoun can be used between "plunge" and "in." You have to plunge the fabric into the solution to help soften its fibers. The preacher plunged the child into the river as part of the baptism ceremony.
4. To push or thrust an object deeply into something. In this usage, a noun or pronoun is used between "plunge" and "into." The workers set about plunging iron rods into the wet concrete. The villain laughed cruelly before plunging the knife into the victim's back.
See also: plunge
Farlex Dictionary of Idioms.

plunge something into someone or something

 and plunge something in
to drive or stab something into someone or something. The murderer plunged the knife into his victim. She plunged in the dagger.
See also: plunge
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

plunge into

v.
1. To fall or dive into some place or thing: I jumped off the diving board and plunged into the warm water.
2. To thrust or throw something forcefully into some place or thing: I plunged the shovel into the soil.
3. To enter earnestly or wholeheartedly into some activity or situation: After the vacation, I plunged into my studies with renewed energy.
4. To send someone or something into some condition or situation: My gambling losses plunged me into debt.
5. To fall into some state or condition: After my divorce, I plunged into a deep depression.
See also: plunge
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • plunge into (something)
  • swim in
  • swim in (something)
  • swimming in
  • swimming in something
  • kick (oneself) for (doing something)
  • selfie
  • wash hands of
  • wash your hands of
  • wash your hands of somebody/something
References in periodicals archive
Fifty brave Super Plunge volunteers will also be freezing for a reason as they to take the plunge into the vat of ice water every hour, on the hour, for 24 hours to raise funds for local Special Olympics athletes.
With some reluctance (due to the short timeframe and that they were asking members to plunge into the icy Chesapeake Bay in January), MCJA agreed.
Yet even if Huygens doesn't plunge into a methane bath, its findings are likely to make quite a splash.
As his mind plunges, so does he: "Plunging" here alludes to epic traditions of wandering into the wilderness of chaos and unknowability (17); and it returns to the spatial metaphor of descent introduced by Invisible Man's earlier plunge into the sub-way of an identity crisis.
Why did he choose to plunge into nothingness, into the void of faceless faces, of soundless voices, lying outside history?
Russian aerospace officials said Tuesday that the Russian space station Mir which likely plunge into the Pacific Ocean after March 20, according to the news agency Itar-Tass.
Debris which survives reentry into the atmosphere will plunge into the water 1,500-2,000 kilometers east of Australia.
As we plunge into this partly melted layer, we feel the tectonic plates above us start to shift.
These "cool" chunks melt as they plunge into the mantle, a layer of hot, partially melted rock below.
Punishing cold Monday at Waukegan Municipal Beach didnt deter about 225 hardy souls who were made the plunge into icy water to benefit special recreation.
Then there are those who would actually give money to get up and plunge into a frosty lake.
Punishing cold Monday at Waukegan Municipal Beach didnAaAeAeAEt deter abo 225 hardy souls who were made the plunge into icy water to benefit special recreation.
Punishing cold Monday at Waukegan Municipal Beach didnt deter about 225 hardy souls who were freezin for a reason and made the plunge into icy water to benefit special recreation.