Plunge is defined as to dive, thrust or go into something, usually with force or speed.(verb)
An example of to plunge is to jump into the ocean for a swim.
The definition of a plunge is a place for swimming or an act of diving or jumping into an activity.(noun)
An example of a plunge is jumping right into learning how to scuba dive.
See plunge in Webster's New World College Dictionary
Origin: ME plungen < OFr plongier < VL *plumbicare < L plumbum, lead: see plumb
See plunge in American Heritage Dictionary 4
verb plunged plunged, plung·ing, plung·es verb, transitive
Origin: Middle English plungen
Origin: , from Old French plongier
Origin: , from Vulgar Latin *plumbicāre, to heave a sounding lead
Origin: , from Latin plumbum, lead.
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