1. (n.) Small coal; also, coal dust; culm.
2. (n.) A valley, or small, shallow dell.
3. (superl.) Lax; not tense; not hard drawn; not firmly extended; as, a slack rope.
4. (superl.) Weak; not holding fast; as, a slack hand.
5. (superl.) Remiss; backward; not using due diligence or care; not earnest or eager; as, slack in duty or service.
6. (superl.) Not violent, rapid, or pressing; slow; moderate; easy; as, business is slack.
7. (adv.) Slackly; as, slack dried hops.
8. (n.) The part of anything that hangs loose, having no strain upon it; as, the slack of a rope or of a sail.
9. (a.) Alt. of Slacken
10. (v. t.) Alt. of Slacken
Thesaurus Entries
Laodicean, Micawberish, Olympian, Paphian, abandon, abate, abatement, abeyant, aloof, ambling, anemic, apathetic, asthenic, backward, bagging, baggy, bate, beat-up, bedraggled, behindhand, benumbed, blah, blase, bloodless, blow out, blowzy, bone-lazy, bones, cadging, careless, cataleptic, catatonic, cautious, chaff, chambering, chicken, chintzy, choke, circumspect, claudicant, coal dust, comatose, comb, coom, cowardly, crawling, creeping, creeping like snail, culm, culpably negligent, cut, dallying, damp, dangling, dead, deadwood, debilitated, decline, decrease, delay, delaying, deliberate, delinquent, derelict, desensitized, detached, diffuse, dilapidated, dilatory, dillydallying, diminish, diminution, dishwater, disinterested, disjoin, disperse, disregardful, do-nothing, dodge, dog it, doless, dopey, dormant, douse, down, downturn, drabbletailed, draff, draggled, draggletailed, dregs, dronish, drony, drooping, droopy, duck, duck duty, dull, dust, dwindling, ease, ease off, ease up, easy, easygoing, effete, ergophobic, etiolated, extinguish, faineant, faint, faintish, faltering, feeble, filings, flabby, flaccid, flagging, flapping, flat, floppy, foot-dragging, foul, free, frowzy, frumpish, frumpy, garbage, gash, gentle, get out of, give, goldbrick, gone, good-for-nothing, goof off, gradual, groggy, grubby, gutless, halting, hanging, heartless, heavy, hebetudinous, hobbling, hogwash, hopeless, husks, idle, imbecile, impotent, imprecise, in a stupor, in abeyance, in rags, in suspense, inactive, inactivity, inadvertent, inattentive, indifferent, indolent, inert, infirm, informal, insouciant, jump, lackadaisical, laggard, lagging, laissez-faire, languid, languorous, latent, lax, lazy, leaden, leave, leave loose ends, leave undone, leavings, lees, leisurely, lenient, lessening, let alone, let be, let dangle, let down, let go, let loose, let up, let up on, lethargic, lifeless, light, limber, limp, limping, lingering, listless, logy, loitering, loose, loose-moraled, loosen, looseness, lull, lumbering, lumpen, lustless, malinger, marrowless, messy, miss, mitigate, moderate, mussy, neglect, neglectful, neglecting, negligent, nerveless, nonaggressive, nonchalant, noninterfering, nonrestrictive, not pull fair, numb, numbed, of easy virtue, of loose morals, off, off-guard, offal, offscourings, omit, orts, otiose, out, overindulgent, overly permissive, overpermissive, parasitic, parings, pass over, pass up, passive, pause, permissive, phlegmatic, pithless, play
