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v. sank (săngk) or sunk (sŭngk), sunk, sink·ing, sinks
a. To go below the surface of water or another liquid: We watched the leaky inner tube slowly sink.
b. To descend to the bottom of a body of water or other liquid: found the wreck where it had sunk.
a. To fall or drop to a lower level, especially to go down slowly or in stages: The water in the lake sank several feet during the long, dry summer.
b. To subside or settle gradually: Cracks developed as the building sank.
3. To appear to move downward, as the sun or moon in setting.
4. To slope downward; incline: The road sinks as it approaches the stream.
a. To fall or lower oneself slowly, as from weakness or fatigue: The exhausted runner sank to the ground.
b. To feel great disappointment or discouragement: Her heart sank within her.
a. To pass into something; penetrate: The claws sank into the flesh of the prey.
b. To steep or soak: The wine has sunk into my shirt.
7. To pass into a specified condition: She sank into a deep sleep.
a. To deteriorate in quality or condition: The patient is sinking fast. The family sank into a state of disgrace.
b. To diminish, as in value: Gold prices are sinking.
9. To become weaker, quieter, or less forceful: His voice sank to a whisper.
10. To make an impression; become felt or understood: The meaning finally sank in.
1. To cause to descend beneath the surface or to the bottom of a liquid: sink a ship.
a. To cause to penetrate deeply: He sank his sword into the dragon's belly.
b. To force into the ground: sink a piling.
c. To dig or drill (a mine or well) in the earth.
d. To cause to drop or lower: sank the bucket into the well.
e. Sports To propel (a ball or shot) into a hole, basket, or pocket.
3. To cause to be engrossed: "Frank sank himself in another book" (Patricia Highsmith).
a. To make weaker, quieter, or less forceful: She sank her voice when the manager walked by.
b. To reduce in quantity or worth: The bad news will sink markets around the world.
5. To debase the nature of; degrade: The scandal has sunk him in the eyes of many.
6. To bring to a low or ruined state; defeat or destroy: Loss of advertising sank the newspaper.
7. To suppress or hide: He sank his arrogance and apologized.
8. Informal To defeat, as in a game.
9. To invest or spend, often without getting a return or adequate value: I've sunk a lot of money into that car.
10. To pay off (a debt).
1. A water basin fixed to a wall or floor and having a drainpipe and generally a piped supply of water.
2. A cesspool.
3. A sinkhole.
4. A natural or artificial means of absorbing or removing a substance or a form of energy from a system.
5. A place regarded as wicked and corrupt: That city is a sink of corruption.
sink (one's) teeth into Informal
To undertake an endeavor energetically: She sank her teeth into the challenging project.
sink or swim Informal
To fail or succeed without alternative.

[Middle English sinken, from Old English sincan.]

sink′a·ble adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.sinkable - capable of being sunk
unsinkable - incapable of being sunk; "they thought the Titanic was unsinkable"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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class="MsoBodyTextspan xml:lang="EN-GBI love the rooms at Gem Suites they are the definition of plush, particularly the soft, sinkable carpets, and the decor.
Floating - and sinkable - targets were greatly prized and we would scour the riverbank searching for bombardable jetsam.
"The ship will be revealed as having no ballast and once it's on the water it's the Sinkable Molly Brown," Arum said.