sink.

To move or be moved into something. To descend or submerge (or to cause to do so) into a liquid or similar substance.

A stone sinks in water.  The sun gradually sank in the west.

To move or be moved into something. To (directly or indirectly) cause a vessel to sink, generally by making it no longer watertight.

An iceberg sank the Titanic.  British battleships sank the Bismarck.

To move or be moved into something. To push (something) into something.

The joint will hold tighter if you sink a wood screw through both boards.  The dog sank its teeth into the delivery man's leg.

To move or be moved into something. To make by digging or delving.

to sink a well in the ground

To move or be moved into something. To pot; hit a ball into a pocket or hole.

To diminish or be diminished. To experience apprehension, disappointment, dread, or momentary depression.

To diminish or be diminished. To cause to decline; to depress or degrade.

to sink one's reputation

To diminish or be diminished. To demean or lower oneself; to do something below one's status, standards, or morals.

To conceal and appropriate.

To keep out of sight; to suppress; to ignore.

To drink (especially something alcoholic).

To pay absolutely.

I have sunk thousands of pounds into this project.

To reduce or extinguish by payment.

to sink the national debt

To be overwhelmed or depressed; to fail in strength.

To die.

To decrease in volume, as a river; to subside; to become diminished in volume or in apparent height.

A basin used for holding water for washing.

A drain for carrying off wastewater.

A sinkhole.

A depression in land where water collects, with no visible outlet.

A heat sink.

A place that absorbs resources or energy.

A habitat that cannot support a population on its own but receives the excess of individuals from some other source.

Descending motion; descent.

An excessive sink rate at touchdown can cause the aircraft's landing gear to collapse.

Descending motion; descent. The motion of a sinker pitch.

Jones has a two-seamer with heavy sink.

An object or callback that captures events.

A destination vertex in a transportation network.

A node in directed graph for which all of its edges go into it; one with no outgoing edges.

An abode of degraded persons; a wretched place.

A depression in a stereotype plate.

A stage trapdoor for shifting scenery.

An excavation smaller than a shaft.

One or several systems that remove currency from the game's economy, thus controlling or preventing inflation.