plunge in
phrasal verbplunge in | plunge into something
- to jump into something, especially with force
- The pool was declared open and eager swimmers plunged in.
- to start doing something in an enthusiastic way, especially without thinking carefully about what you are doing
- She was about to plunge into her story when the phone rang.
- He's always plunging in at the deep end (= becoming involved in difficult situations without being well enough prepared).
plunge something in | plunge something into something
- to push something quickly and with force into something else
- Bring the water to the boil and plunge the vegetables in.
- She plunged the knife deep into his chest.