Synonyms of sink

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

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