- plunge
- plunge [plunj]vt.plunged, plunging [ME plungen < OFr plongier < VL * plumbicare < L plumbum, LEAD2: see PLUMB]to thrust, throw, or force suddenly (into a liquid, hole, condition, etc.) [to plunge an oar into the water, to plunge a country into debt]vi.1. to throw oneself, dive, or rush, as into water, a fight, etc.2. to move violently and rapidly downward or forward3. to pitch, as a ship4. to slope steeply, as a road5. to extend far down in a revealing way [a plunging neckline or back]6. Informal to spend, gamble, or speculate heavily or rashlyn.1.a) a dive or downward leapb) a swim2. any sudden, violent plunging motion3. a place for plunging, or swimming4. Informal a heavy, rash investment or speculation——————take the plungeto start on a new and seemingly uncertain enterprise, esp. after some hesitation
English World dictionary. V. Neufeldt. 2014.