· plumbing fixture consisting of a water basin fixed to a wall or floor and having a drainpipe

Hypernym(s): plumbing_fixture

· (technology) a process that acts to absorb or remove energy or a substance from a system; "the ocean is a sink for carbon dioxide"

Hypernym(s): natural_process, natural_action, action, activity

Antonym(s): source

· a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof

Synonym(s): sinkhole, swallow_hole

Hypernym(s): natural_depression, depression

· a covered cistern; waste water and sewage flow into it

Synonym(s): cesspool, cesspit, sump

Hypernym(s): cistern

· fall or descend to a lower place or level; "He sank to his knees"

Synonym(s): drop, drop_down

Hypernym(s): change_posture

· cause to sink; "The Japanese sank American ships in Pearl Harbor"

Hypernym(s): move, displace

· pass into a specified state or condition; "He sank into nirvana"

Synonym(s): pass, lapse

Hypernym(s): move

· go under; "The raft sank and its occupants drowned"

Synonym(s): settle, go_down, go_under

Hypernym(s): descend, fall, go_down, come_down

Antonym(s): float

· descend into or as if into some soft substance or place; "He sank into bed"; "She subsided into the chair"

Synonym(s): subside

Hypernym(s): descend, fall, go_down, come_down

· appear to move downward; "The sun dipped below the horizon"; "The setting sun sank below the tree line"

Synonym(s): dip

Hypernym(s): decline

· fall heavily or suddenly; decline markedly; "The real estate market fell off"

Synonym(s): slump, fall_off

Hypernym(s): drop

· fall or sink heavily; "He slumped onto the couch"; "My spirits sank"

Synonym(s): slump, slide_down

Hypernym(s): collapse, fall_in, cave_in, give, give_way, break, founder

· embed deeply; "She sank her fingers into the soft sand"; "He buried his head in her lap"

Synonym(s): bury

Hypernym(s): implant, engraft, embed, imbed, plant