sink

Noun
  1. Plumbing fixture consisting of a water basin fixed to a wall or floor and having a drainpipe (synset 104230655)
    is a type of: plumbing fixture - a fixture for the distribution and use of water in a building
    subtypes:
    has: drain basket - a filter in a sink drain; traps debris but passes water
  2. (technology) a process that acts to absorb or remove energy or a substance from a system (synset 113577118)
    "the ocean is a sink for carbon dioxide"
    referred to in: applied science, engineering, engineering science, technology - the discipline dealing with the art or science of applying scientific knowledge to practical problems
    is a type of: action, activity, natural action, natural process - a process existing in or produced by nature (rather than by the intent of human beings)
    subtypes: heat sink - a metal conductor specially designed to conduct (and radiate) heat
  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 (synset 109458643)
    is a type of: depression, natural depression - a sunken or depressed geological formation
    same as: sinkhole, swallow hole
  4. A covered cistern;
    Waste water and sewage flow into it (synset 103002170)
    is a type of: cistern - an artificial reservoir for storing liquids; especially an underground tank for storing rainwater
    same as: cesspit, cesspool, sump
Verb
  1. Fall or descend to a lower place or level (synset 201989937)
    "He sank to his knees"
    is a type of: change posture - undergo a change in bodily posture
    subtypes:
    same as: drop, drop down
    verb group:
  2. Cause to sink (synset 201990883)
    "The Japanese sank American ships in Pearl Harbor"
    causes: go down, go under, settle, sink - go under
    is a type of: displace, move - cause to move or shift into a new position or place, both in a concrete and in an abstract sense
    subtypes: settle - cause to become clear by forming a sediment (of liquids)
    verb group: go down, go under, settle, sink - go under
  3. Pass into a specified state or condition (synset 201976145)
    "He sank into nirvana"
    is a type of: move - go or proceed from one point to another
    same as: lapse, pass
  4. Go under (synset 201993887)
    "The raft sank and its occupants drowned"
    is a type of: come down, descend, fall, go down - move downward and lower, but not necessarily all the way
    subtypes:
    same as: go down, go under, settle
    verb group: sink - cause to sink
  5. Descend into or as if into some soft substance or place (synset 201975943)
    "He sank into bed"; "She subsided into the chair"
    is a type of: come down, descend, fall, go down - move downward and lower, but not necessarily all the way
    same as: subside
  6. Appear to move downward (synset 202043524)
    "The sun dipped below the horizon"; "The setting sun sank below the tree line"
    is a type of: decline - go down
    subtypes: subside - sink to a lower level or form a depression
    same as: dip
  7. Fall heavily or suddenly;
    Decline markedly (synset 200433792)
    "The real estate market fell off"
    is a type of: drop - go down in value
    same as: fall off, slump
    verb group: drop, drop down, sink - fall or descend to a lower place or level
  8. Fall or sink heavily (synset 201992900)
    "He slumped onto the couch"; "My spirits sank"
    is a type of: break, cave in, collapse, fall in, founder, give, give way - break down, literally or metaphorically
    same as: slide down, slump
  9. Embed deeply (synset 201532886)
    "She sank her fingers into the soft sand"; "He buried his head in her lap"
    is a type of: embed, engraft, imbed, implant, plant - fix or set securely or deeply
    subtypes: countersink, set - insert (a nail or screw below the surface, as into a countersink)
    same as: bury

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