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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181. When my parents come to stay with us, they bring everything but the kitchen sink!
182. I replaced each plug - in the wash basin, the bath, the sink.
183. She had been thrown in at the deep end and it was a question of sink or swim.
184. Single drainer stainless steel sink unit with drawer and cupboard under. Wall cupboards.
185. There was an awful smell coming from under the sink.
186. It does not encourage religious authorities to sink into meditation, as do the Hindu fakirs.
187. Then fill the sink or bowl with warm water and add some home-made equipment.
188. Kiss her and your lips sink deep into her cheeks.
189. Water flooded the ship in 10 minutes, causing it to sink.
190. This meant that used water was not directly plumbed into the outside drain but linked into the sink waste.
191. The cold tap dripped into the stone sink at long, regular intervals.
192. My parents were tenants and the house was very basic - the sink was outside and the cooker was on the landing.
193. There would be water from the sink to quench his thirst, and that would buy him some time.
194. There was an old-fashioned sink under the window, and a new-looking electric cooker, with cupboards on both sides.
195. And without me the school might sink into torpor. Passive acceptance would be the order of the day.
196. She wanted to empty the contents of the tin into the sink and flush it away.
197. Omar Duvall had gone to the window over the sink and parted the water-stained curtain.
198. At the sink I wash my face with cold water,(www.Sentencedict.com) but I don't feel any better.
199. Don't pour that grease down the drain, or the sink will clog up again.
200. John took the empty cups down below and placed them quietly in the small sink.
201. It is usually simplest if a washing machine can go next to the sink, but it can easily fit in other places.
202. The project went into cold storage, periodically resurfacing over the next six years only to sink once more.
203. Enough statistics have been circulating about this venture to sink the Titanic.
204. I am still small enough to crouch in the deep sink for my bath.
205. Getting up from rummaging in the wastepaper basket, she bumped her head, very lightly, on the sink.
206. Put some ice in the sink, and we'll chill the drinks in there.
207. In a year, as designers further refine the technology, the price could sink to $ 7, 000.
208. After a while, he let his head sink on his arms, deep among the chilly, metal-chased velvets.
209. He gives me hell in querulous falsetto, and drops down to the dung-hill harem where his claws sink in ... Retrenchments.
210. This will ensure that they don't sink to the bottom during cooking.