(ergative) To descend or submerge (or to cause to do so) into a liquid or similar substance.

A basin used for holding water for washing. / A drain for carrying off wastewater. / (geology) A sinkhole. / A depression in land where water collects, with no visible outlet. / A heat sink.

present participle of sink

The process by which something sinks, or is sunk.

(intransitive, idiomatic) To become completely known, felt, or understood.

plural of sinking

(nonstandard, informal) simple past tense and past participle of sink

As much as a sink will hold.

plural of sinkful

A surname.