Definition of slack:
- A valley, or small, shallow dell.
- Lax; not tense; not hard drawn; not firmly extended; as, a slack rope.
- Not violent, rapid, or pressing; slow; moderate; easy; as, business is slack.
- Remiss; backward; not using due diligence or care; not earnest or eager; as, slack in duty or service.
- Slackly; as, slack dried hops.
- Small coal; also, coal dust; culm.
- The part of anything that hangs loose, having no strain upon it; as, the slack of a rope or of a sail.
- Weak; not holding fast; as, a slack hand.
loosen up, remiss, easy, escaped, promiscuous, quench, slop, dilatory, neglectful, inattentive, procrastinating, inanition, ease off, weak, wane, decelerate, lingering, unbend, standing, depression, ease up, dawdling, tardy, careful, lassitude, moderate, increase, unstrain, liberal, morass, deliberate, lazy, inactive, light, tighten, idle, on the loose, at large, derelict, unwind, decrease, lessening, subside, slack tide, fall, relaxed, drowsy, slackness, off, slow up, allay, unlax, slump, bate, flaccid, negligent, slow, slow down, down, informal, slack off, remissness, laxness, inert, ebb, slack water, quagmire, abate, delaying, drop-off, laxity, drop, falling off, make relaxed, slacken, lapse, dull, remit, relax, wanton, loosen, let-up, lethargy, limp, fall off, falloff, loose, soft, assuage, gradual, mire, die away, economic crisis, sluggish, decompress, sluttish, unaffixed, retard, cliff, slake, open, lax, slack up, quag.
- loose (part of speech: adjective)
- slack (part of speech: adjective)
While Anderson trod the snowy streets a slack- jowled editor sat at supper with some friends at the Press Club, eating and drinking heartily, as is the custom of newspaper men let down for a moment from the strain of their work.- "Laughing Bill Hyde and Other Stories", Rex Beach.
Business unfortunately was slack when I arrived and one of the boys would not leave me alone, he offered me so many papers that in sheer desperation I bought several; I told him that I would have two shillings' worth, and left the selection of them to him.- "Godfrey Marten, Undergraduate", Charles Turley.
- "Smoke Bellew", Jack London.