intransitive for reflexive. To be set into sudden or rapid motion; to rush, plunge, start or shoot forth; †to leap, vault; transferred to ‘skip’…

To soak; to be or become soaked or drenched; to fall with a plunge; to go plunging or sinking in water, etc.

intransitive. To plunge into water or other liquid; to splash, bathe, or shower.

intransitive. To plunge in or into water, mud, etc.; to flounder or wallow.

To dip with violence, plunge down into water. Obsolete. rare.

intransitive (for reflexive). To plunge or dip oneself in a liquid; to sink. Also transferred and figurative.

intransitive for reflexive. To plunge oneself, sink, become absorbed. literal and figurative. Now rare or Obsolete.

transitive and intransitive. To plunge into a swamp.

intransitive. To fall with a splash; to plunge or splash in water. Also: to fall heavily. Now rare.

intransitive ? To produce blobs or bubbles; to ‘flop’ in the water.