Noun

• S: (n) dip (dip%1:04:00::), plunge (plunge%1:04:00::) (a brief swim in water)
• S: (n) plunge (plunge%1:11:00::) (a steep and rapid fall)

Verb

• S: (v) immerse (immerse%2:35:00::), plunge (plunge%2:35:01::) (thrust or throw into) "Immerse yourself in hot water"
• S: (v) dive (dive%2:38:00::), plunge (plunge%2:38:01::), plunk (plunk%2:38:00::) (drop steeply) "the stock market plunged"
• S: (v) plunge (plunge%2:38:05::) (dash violently or with great speed or impetuosity) "She plunged at it eagerly"
• S: (v) plunge (plunge%2:30:10::), launch (launch%2:30:10::) (begin with vigor) "He launched into a long diatribe"; "She plunged into a dangerous adventure"
• S: (v) plunge (plunge%2:31:01::), immerse (immerse%2:31:01::) (cause to be immersed) "The professor plunged his students into the study of the Italian text"
• S: (v) plunge (plunge%2:38:00::), dump (dump%2:38:01::) (fall abruptly) "It plunged to the bottom of the well"
• S: (v) dunk (dunk%2:35:00::), dip (dip%2:35:00::), souse (souse%2:35:00::), plunge (plunge%2:35:00::), douse (douse%2:35:00::) (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"
• S: (v) steep (steep%2:31:00::), immerse (immerse%2:31:00::), engulf (engulf%2:31:00::), plunge (plunge%2:31:00::), engross (engross%2:31:02::), absorb (absorb%2:31:06::), soak up (soak_up%2:31:00::) (devote (oneself) fully to) "He immersed himself into his studies"