Definition of sink :
1. A drain to carry off filthy water; a jakes.
2. A hole or low place in land or rock, where waters sink and are lost; - called also sink hole.
3. A shallow box or vessel of wood, stone, iron, or other material, connected with a drain, and used for receiving filthy water, etc., as in a kitchen.
4. Figuratively: To cause to decline; to depress; to degrade; hence, to ruin irretrievably; to destroy, as by drowping; as, to sink one's reputation.
5. Hence, to enter so as to make an abiding impression; to enter completely.
6. The lowest part of a natural hollow or closed basin whence the water of one or more streams escapes by evaporation; as, the sink of the Humboldt River.
7. To be overwhelmed or depressed; to fall slowly, as so the ground, from weakness or from an overburden; to fail in strength; to decline; to decay; to decrease.
8. To bring low; to reduce in quantity; to waste.
9. To cause to sink; to put under water; to immerse or submerge in a fluid; as, to sink a ship.
10. To conseal and appropriate.
11. To decrease in volume, as a river; to subside; to become diminished in volume or in apparent height.
12. To enter deeply; to fall or retire beneath or below the surface; to penetrate.
13. To fall by, or as by, the force of gravity; to descend lower and lower; to decline gradually; to subside; as, a stone sinks in water; waves rise and sink; the sun sinks in the west.
14. To keep out of sight; to suppress; to ignore.
15. To make ( a depression) by digging, delving, or cutting, etc.; as, to sink a pit or a well; to sink a die.
16. To reduce or extinguish by payment; as, to sink the national debt.
go under, pass by, soak in, finalise, inter, torpedo, gravitate, pass away, go across, strong, inhume, cast down, fleet, conk, right, extend, swallow, excrete, perish, hand, go on, fail, throw away, dishonor, make it, stick, determine, go by, exit, founder, knock off, souse, bury, make pass, guide, get back, put in, make up, overstep, communicate, put down, give-up the ghost, locate, travel by, go through, reach, omit, entomb, pan, subside, swing, gutter, legislate, swallow hole, hap, pitch, waste, occur, drive, drop dead, set, total, lead, fizzle, square off, discharge, spoil, reduce, stab, ram, come about, spend, cut down, throw off, stoop, conciliate, correct, lay to rest, finish, cesspit, nail down, disgrace, happen, top, abase, throw, clear, neglect, fall off, overhaul, thrust, recidivate, dig, crash, authorize, cast off, croak, decide, ensconce, wrack, pretermit, eat up, better, register, steady down, put across, give, unload, reconcile, slip away, discredit, slide by, fell, strike down, expend, overleap, root, swallow up, slouch, pass along, fall away, settle down, shake off, wash up, take place, run, square up, miss, ewer, egest, backslide, decease, duck, fall back, dismiss, wreck, nose-dive, slip by, bring low, shed, shatter, cast, go along, skid, fall out, take root, surpass, degrade, rise, undo, snuff it, knowledge, overlook, help, forget, dim, drop down, languish, pass off, humiliate, exceed, finalize, lessen, draw, set down, patch up, slide down, bankrupt, send packing, authorise, die, adjudicate, weaken, submerse, cross up, increase, flag, blow over, flatten, drain, devolve, kick the bucket, transcend, elapse, choke, pass, destroy, retrograde, cash in one's chips, turn over, ruin, glide by, drip, return, buy the farm, pop off, expire, sinkhole, drop off, go past, demolish, send away, eliminate, smash, resolve, break down, dribble, cesspool, dangle, sump, pass on, overtake, go down, leave out, humble, dive
deteriorate (part of speech: verb)
fade, revert, moulder, atrophy, downgrade, regress, degenerate, go downhill, ebb, putrefy, slip, get worse, tergiversate, slide, decay, relapse, fall apart, retrogress, collapse, wither, wilt, slump, worsen, lapse, deteriorate, decline, dilapidate, wane
depress (part of speech: verb)
disappear (part of speech: verb)
immerse (part of speech: verb)
deepen (part of speech: verb)
descend (part of speech: verb)
basin (part of speech: noun)
- The wind would soon break loose, the ice give away, and all upon it sink, without any chance of rescue. - "The Sand-Hills of Jutland", Hans Christian Andersen.
- But, so far, the turtle did not show any wish to sink below the water. - "The Bobbsey Twins in a Great City", Laura Lee Hope.
- But how are you going to sink them? - "Haste and Waste", Oliver Optic.