The meaning of PLUNGE is to cause to penetrate or enter quickly and forcibly into something. How to use plunge in a sentence.

We ran down to the beach and plunged into the sea. The car went out of control and plunged over the cliff. Cook the peas by plunging them into boiling water. Niagara Falls plunges 55.5 metres.

1. The act or an instance of plunging: a plunge off the dock. 2. A swim; a dip. 3. A sudden or dramatic decline: a plunge in prices.

If something or someone plunges in a particular direction, especially into water, they fall, rush, or throw themselves in that direction. At least 50 people died when a bus plunged into a river. …

to push or thrust (something) into something else with force:[~ + object] to plunge a wooden stake into the vampire's heart. plummet: [no object] The car plunged off the highway into the sea. [~ …

Definition of plunge verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Oct 26, 2025 · Adjective [edit] plunging (not comparable) That descends steeply. Aimed from higher ground, as fire upon an enemy. (of the neckline of a dress) Very low-cut.