sink meaning and definition

SINK noun

Definition of sink (noun)

1. plumbing fixture consisting of a water basin fixed to a wall or floor and having a drainpipe
2. (technology) a process that acts to absorb or remove energy or a substance from a system
   • "the ocean is a sink for carbon dioxide"
   • antonym: source
3. a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof
   • synonyms: sinkhole, swallow hole
4. a covered cistern; waste water and sewage flow into it
   • synonyms: cesspit, cesspool, sump

SINK verb

Definition of sink (verb)

1. fall or descend to a lower place or level
   • "He sank to his knees"
   • synonyms: drop, drop down
2. cause to sink
   • "The Japanese sank American ships in Pearl Harbor"
3. pass into a specified state or condition
   • "He sank into nirvana"
   • synonyms: lapse, pass
4. go under
   • "The raft sank and its occupants drowned"
   • synonyms: go down, go under, settle
   • antonym: float
5. descend into or as if into some soft substance or place
   • "He sank into bed"; "She subsided into the chair"
   • synonyms: subside
6. appear to move downward
   • "The sun dipped below the horizon"; "The setting sun sank below the tree line"
   • synonyms: dip
7. fall heavily or suddenly; decline markedly
   • "The real estate market fell off"
   • synonyms: fall off, slump
8. fall or sink heavily
   • "He slumped onto the couch"; "My spirits sank"
   • synonyms: slide down, slump
9. embed deeply
   • "She sank her fingers into the soft sand"; "He buried his head in her lap"
   • synonyms: bury