plunged >> /plʌn(d)ʒ/
Definition: [verb] Jump or dive quickly and energetically.
Example: our little daughters whooped as they plunged into the sea
Definition: [verb] Push or thrust quickly.
Example: he plunged his hands into his pockets
Definition: [noun] An act of jumping or diving into water.
Example: fanatics went straight from the hot room to take a cold plunge