sky-blue, a. azure, cerulean.

skyey, a. ethereal.

slack, a. lax, loose, relaxed; remiss, negligent, careless, shiftless; inactive, slow.

slacken, v. moderate, retard, slack, reduce; loosen, relax; diminish, abate, mitigate; slake; relax, flag.

slackness, n. looseness, laxity, negligence, remissness, carelessness, shiftlessness; relaxation, diminution.

slag, n. scoria, cinders, recrement, dross, refuse.

slake, v. quench; slack; abate, decrease, allay.

slam-bang, adv. (Collog.) violently, forcibly, noisily, loudly.

slander, v. malign, defame, traduce, asperse, vilify, calumniate, backbite, scandalize, libel.

slander, n. defamation, calumny, aspersion, libel, vilification, scandal, abuse, traducement, backbiting, roorback, vituperation.

slanderous, a. defamatory, malicious, vituperative, calumnious, libellous.

slant, n. slope, incline, inclination, obliquity.—­v. slope, incline.

slanting, a. sloping, oblique, slant.—­n. obliquity, inclination, tilt.

slap, n. cuff, buffet.—­v. box, cuff, buffet.

slap, adv. (Colloq.) suddenly, violently, unceremoniously, instantly.

slap-dash, adv. (Colloq.) carelessly, at random, all at once.

slash, n. incision, gash, cut, slit.

slate, n. argillite, argillaceous schist; grapholite.—­v. enroll, register.

slated, a. registered, enrolled (for an appointment).

slattern, n. draggle-tail, drab, trollop, niopsy, malkin, drabble-tail.

slatternly, a. slattern, untidy, draggle-tailed.

slaughter, n. butchery.  See killing.

slaughter-house, n. abattoir, shambles.

slave, n. vassal, bond servant, bondslave, bondman, thrall, serf, captive, helot; drudge.  Associated Words:  abolitionism, abolitionist, blackbird, maroon.

slave, v. drudge, toil, moil.

slavery, n. bondage, enslavement, servitude, inthrallment, captivity, bond service, vassalage, thralldom, subjection, helotism; drudgery.

slave warehouse. barracoon.

slavish, a. servile, menial, abject, groveling.

sleazy, a. flimsy, thin, gauzy.

sled, n. sleigh, sledge, toboggan.

sleek, a. smooth, glossy.

sleek, adv. (Low) easily, dexterously.

sleep, v. slumber, repose; doze, drowse; lie dormant; hibernate; lodge.

sleep, n. slumber, repose; nap, doze, drowse, snooze, dozing; siesta; dormancy, lethargy; trance; sopor, coma, carus; somnipathy, somnolism; dogsleep.  Associated Words:  hypnology, hypnotic, agrypnotic, hypnosis, hypnotism, narcotic, opiate, dwale, somniloquence, somniloquism, somnial, somniferous, hypnophobia, hypnogogic, stupefacient, mesmeric, soporific, dormitive, soporiferous, soporous, somnific, somnolent, somniloquous, antihypnotic, morphean, oversleep, morphine, narcosis, lullaby, incubation, hypnogenic, Mara, Morpheus, Hypnos, Somnus, dormitory, diurnation, cubicle, insomniac, hibernation, somnipathist, somniloquist, agrypnia, wake, awaken.