Definitions from Wiktionary ( )

▸ verb:  (heading, physical) To move or be moved into something.
▸ verb:  (ergative) To descend or submerge (or to cause to do so) into a liquid or similar substance.
▸ verb:  (transitive) To (directly or indirectly) cause a vessel to sink, generally by making it no longer watertight.
▸ verb:  (transitive) To push (something) into something.
▸ verb:  (transitive) To make by digging or delving.
▸ verb:  (transitive, snooker, pool, billiards, golf) To pot; hit a ball into a pocket or hole.
▸ verb:  (heading, social) To diminish or be diminished.
▸ verb:  (intransitive, figuratively, of the heart or spirit) To experience apprehension, disappointment, dread, or momentary depression.
▸ verb:  (transitive, figurative) To cause to decline; to depress or degrade.
▸ verb:  (intransitive) To demean or lower oneself; to do something below one's status, standards, or morals.
▸ verb:  (transitive, slang, archaic) To conceal and appropriate.
▸ verb:  (transitive, slang, archaic) To keep out of sight; to suppress; to ignore.
▸ verb:  (transitive, slang) To drink (especially something alcoholic).
▸ verb:  (transitive, slang) To pay absolutely.
▸ verb:  (transitive, slang, archaic) To reduce or extinguish by payment.
▸ verb:  (intransitive) To be overwhelmed or depressed; to fail in strength.
▸ verb:  (intransitive, archaic) To die.
▸ verb:  (intransitive) To decrease in volume, as a river; to subside; to become diminished in volume or in apparent height.
▸ noun:  A basin used for holding water for washing.
▸ noun:  A drain for carrying off wastewater.
▸ noun:  (geology) A sinkhole.
▸ noun:  A depression in land where water collects, with no visible outlet.
▸ noun:  A heat sink.
▸ noun:  A place that absorbs resources or energy.
▸ noun:  (ecology) A habitat that cannot support a population on its own but receives the excess of individuals from some other source.
▸ noun:  (uncountable) Descending motion; descent.
▸ noun:  (baseball) The motion of a sinker pitch.
▸ noun:  (computing, programming) An object or callback that captures events.
▸ noun:  (graph theory) A destination vertex in a transportation network.
▸ noun:  (graph theory) A node in directed graph for which all of its edges go into it; one with no outgoing edges.
▸ noun:  An abode of degraded persons; a wretched place.
▸ noun:  A depression in a stereotype plate.
▸ noun:  (theater) A stage trapdoor for shifting scenery.
▸ noun:  (mining) An excavation smaller than a shaft.
▸ noun:  (game development) One or several systems that remove currency from the game's economy, thus controlling or preventing inflation.
▸ noun:  A surname.
▸ Also see sink

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