What is the meaning of Plunge?

To thrust into liquid, or into any penetrable substance; to immerse.

To cast, stab or throw into some thing, state, condition or action.

To baptize by immersion.

To dive, leap or rush (into water or some liquid); to submerge oneself.

To fall or rush headlong into some thing, action, state or condition.

To pitch or throw oneself headlong or violently forward, as a horse does.

To bet heavily and recklessly; to risk large sums in gambling.

To entangle or embarrass (mostly used in past participle).

To overwhelm, overpower.

The act of plunging or submerging.

A dive, leap, rush, or pitch into (into water).

A swimming pool.

The act of pitching or throwing oneself headlong or violently forward, like an unruly horse.

Heavy and reckless betting in horse racing; hazardous speculation.

An immersion in difficulty, embarrassment, or distress; the condition of being surrounded or overwhelmed; a strait; difficulty.

To remove a blockage by suction.

Source: wiktionary.org