3. unfortunate, ill-starred, unlucky, hapless, untoward, unfavorable; disastrous, ruinous, calamitous; woeful, lamentable, unhappy, sad, terrible, deplorable, regrettable.
4. left-handed, sinistral, Scot. car, on the left, left, port, Naut. larboard. sink, v. 1. fall, drop, descend, go down; hang heavily, swag; subside, recede, retrocede, ebb; fall back, lapse, relapse; slope, dip, slant, lean, list, cant, tilt, incline.
2. settle, precipitate, gravitate, hit bottom; become submerged, capsize, drown, founder; plunge, immerse, engulf, souse, douse, inundate, submerge, submerse, vail, drown; Naut. scuttle.
3. collapse, fall in, cave in, become sunken or concave; slump, fall down, slip; feint, swoon; despond, despair.
4. decline, fail, weaken, languish; droop, sag, flag, wither, wilt; deteriorate, worsen, regress, retrogress, backslide, revert; degenerate, go downhill, All SI. go to seed, go to pot, go to the dogs, hit the skids.
5. reduce, lower, depress; devaluate, depreciate, degrade, debase, abase; decrease, diminish, lessen, drop off, swindle, wane.
6. abate, moderate, alleviate; soften, tone down, temper, modulate, quiet, turn down.
7. put down, bury, mire, plant, lay, drive; hollow out, dig, bore, drill, excavate.
8. destroy, ruin, cause the downfall of, be the ruin of; devastate, demolish, vanquish, overcome; SI. put the skids under, seal the doom of; pauperize, bankrupt, impoverish, SI. break.
9. (usu. in reference to a sum of money) invest, risk, venture, put down, put out; lose, SI. blow, be out, be set back; go bankrupt, go under, go broke. 10. Usu. sink in or into enter, pierce, penetrate, reach, permeate; become known or understood, become engrossed or absorbed. 11. suppress, conceal, hide, mask, disguise; ignore, slight, refuse to notice, take no note or heed of; omit, drop, dismiss, cast aside, Inf. give a miss, Inf. give a go-by, turn one's back on, not bother with. -n. 12. basin, washbasin, washbowl, commode, Eccles. piscina; water receptacle, tub, washtub. 13. swamp, marsh, Brit, fen, bog; sinkhole, swallow hole, swallow, cesspool, polluted pond; hole, dip, cavity, depression, hollow, crater. 14. den of iniquity, hellhole, Inf. dive, SI. joint; tenderloin, Alsatia; red light district, Storyville, Combat Zone; skio row, the Bowery. 15. drain, sewer, gutter, cloaca; ditch, trench, conduit, culvert; channel, race, waterway, watercourse. sinker, n. 1. plummet, plumb bob, plumb, bob, weight, lead.
2. deadweight; nonswimmer; unseaworthy vessel; SI. doughnut, SI. muffin, SI. biscuit, sinless, adj. pure, immaculate, stainless, spotless; uncorrupted, undefiled, untainted, unspotted, unsullied, unsoiled, unblemished, unmarred, untarnished; faultless, sterling, perfect, saintly, without fault; innocent, guiltless, free from guilt, clear, SI. clean; blameless, inculpable, unblamable, uncensurable, unimpeachable, irreproachable, above reproach, above suspicion, like Caesar's wife, sinner, n. transgressor, trespasser, wrongdoer, evildoer, malefactor, offender, culprit; delinquent, juvenile delinquent, misdemeanant, Inf. scofflaw, lawbreaker, Law. malfeasant, Law. misfeasor; felon, criminal, SI. chronic crook, recidivist, backslider, sinuosity, n. winding, sinuation, sinus, curve, incurvature, incurvation, excurvature, excurvation; bend, flexure, turn, crook, tortuosity, flexuosity, anfractuos-ity; spiral, helix, corkscrew, twirl, convolution, Zool. volute, whorl, curl, curlicue; labyrinth, maze,
sinuous, adj. 1. winding, sinuate, flexuous, flexu-ose, anfractuous, serpentine, tortuous, crooked, zigzag; curving, curved, curvy, curvilinear, twisting, twisted, turning, bending, bent; spiral, helical, spiral-ing, twining, convoluted, volute, coiled, tortile; curled, curling, curly, kinky; labyrinthine, mazelike, mazy, intricate, complicated.