Synonym: decline, droop, fade, fall, go down, lower, pine, settle, slump, submerge, weaken. Antonym: float, rise. Similar words: link, pink, think, blink, brink, shrink, link up, drink to. Meaning: [sɪŋk] 
n. 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 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 4. a covered cistern; waste water and sewage flow into it. v. 1. fall or drop to a lower place or level 2. cause to sink 3. pass into a specified state or condition 4. go under, "The raft sank and its occupants drowned" 5. descend into or as if into some soft substance or place 6. appear to move downward 7. fall heavily or suddenly; decline markedly 8. fall or sink heavily 9. embed deeply.
n. 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 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 4. a covered cistern; waste water and sewage flow into it. v. 1. fall or drop to a lower place or level 2. cause to sink 3. pass into a specified state or condition 4. go under, "The raft sank and its occupants drowned" 5. descend into or as if into some soft substance or place 6. appear to move downward 7. fall heavily or suddenly; decline markedly 8. fall or sink heavily 9. embed deeply. 
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31. Wind power presents too many advantages to be allowed to sink into oblivion.
32. There was a coating of slime on the unwashed sink.
33. Those who let a person to sink in things, is a good start.
34. We squatted beside the pool and watched the diver sink slowly down.
35. We all thought we were done for when the boat started to sink.
36. It's sink or swim.
37. He could sink a pint faster than anyone else I knew.
38. I refuse to sink to their level .
39. The price of personal computers will sink again.
40. Don't let yourself sink into despair.
41. She threw the coffee dregs down the sink.
42. The facts don't seem to sink into his head.
43. Let us sink our differences and work together.
44. I had a friend plumb his sink.
45. She felt chained to the kitchen sink.
46. Your voice might sink(sentence dictionary),but I can hear.
47. Don't swill the tealeaves out into the sink.
48. The foundations of the building are starting to sink.
49. We must sink our differences and save the firm.
50. The dirty dishes are in the sink.
51. A clutter of dirty dishes filled the sink.
52. The vessel flooded and began to sink.
53. The lack of money will certainly sink our plan.
54. The sink was still full of last night's washing-up.
55. The sink was full of dirty dishes.
56. Dirty plates were piled high in the sink.
57. Water from the kitchen sink overflowed onto the floor.
58. We watched the boat sink beneath the waves.
59. Marie stood at the sink, peeling potatoes .
60. I felt her nails sink into my wrist.