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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91. The cook needs room to get at the cooker, sink and cupboards without hindrance.
92. To comply with government hygiene regulations, there must be a separate sink for hand washing.
93. The implications of Labour's defeat were beginning to sink in.
94. In a naval battle your aim is to sink the enemy's ship.
95. The saucepans clashed as he piled them into the sink.
96. She was at the sink, washing up the dinner things.
97. The refugees had lost their homes and their possessions, and it was now sink or swim.
98. I was so tired when I got home that all I wanted to do was sink into bed/an armchair/a hot bath.
99. At the end of a busy day, I just sink thankfully into bed.
100. Go to almost any city and you find sink estates where you get the feeling that the council hates the place and the people too.
101. We seem to take everything but the kitchen sink when we go camping.
102. Stealing from your friends? How could you sink so low?
103. I think the bulb over the sink is going to go. It's been flickering all evening.
104. The caravan is equipped with a sink and a flush toilet.
105. These toys will be around for a year or two,(www.Sentencedict.com) then fade/slide/sink into oblivion.
106. Give the sink a quick swill to get it clean.
107. She wondered if she dared risk sullying the gleaming sink.
108. The room has been fitted out with a stove and a sink.
109. She went to the sink and ran water into her empty glass.
110. Joe put the plug in the sink and squeezed some detergent over the dishes.
111. The maid clattered the pots and pans in the sink.
112. The cultural life of the country will sink into atrophy unless more writers and artists emerge.
113. It's good to sink into a hot tub at the end of a hard day's work.
114. I heard what she said,but it did not sink in till some time later.
115. This rain could sink our plans for the garden party.
116. The government doesn't want to force inefficient firms to sink or swim too quickly.
117. Rub the cream on your skin and let it sink in.
118. We're only going on vacation for a week, but John will insist on taking everything but the kitchen sink.
119. The press want to sink his bid for the Presidency.
120. Environmental groups are up in arms about plans to sink an oil well close to Hadrian's Wall.