The Meaning of slack

• (n.) Small coal; also, coal dust; culm.
• (n.) A valley, or small, shallow dell.
• (superl.) Lax; not tense; not hard drawn; not firmly extended; as, a slack rope.
• (superl.) Weak; not holding fast; as, a slack hand.
• (superl.) Remiss; backward; not using due diligence or care; not earnest or eager; as, slack in duty or service.
• (superl.) Not violent, rapid, or pressing; slow; moderate; easy; as, business is slack.
• (adv.) Slackly; as, slack dried hops.
• (n.) The part of anything that hangs loose, having no strain upon it; as, the slack of a rope or of a sail.
• (v. t.) Alt. of Slacken
• (a.) Alt. of Slacken

Synonyms

slump , drop-off , falloff , falling off , slack water , mire , quagmire , quag , morass , slackness , slacken , slack up , relax , slow , slow down , slow up , slacken , slake , abate , abate , let up , slack off , die away , slake , loose , lax

Rhymes

aback , ack , adak , akc , almanac , amnesiac , anorak , attack , back , backe , backpack , backtrack , bak , bakke , beaulac , biofeedback , black , blackjack , boback , brac , brack , brakke , braque , brumback , bushwhack , buyback , cac , cadillac , cardiac , chirac , clack , claque , cognac , comeback , counterattack , crack , crackerjack , cutback , dac , dack , dak , drawback , dulac , fac , fallback , feedback , flack , flak , flapjack , flashback , fullback , greenback , gunnysack , hack , hacke , hackensack , hackmatack , halfback , haq , hardback , hatchback , haystack , hibaaq , hijack , hoback , horseback , humpback , hunchback , insomniac , jac , jack , jacques , kickback , knack , knapsack , knick-knack , knickknack , kodak , kodiak , krack , kracke , kwak , lac , lack , lak , leaseback , leatherback , lilac , lumberjack , mac , mack , macke , maniac , megalomaniac , merrimack , nacke , netback , nyack , nymphomaniac , outback , pac , pack , pak , paperback , paque , paranoiac , payback , piggyback , plack , placke , plaque , playback , pontiac , post-attack , prickleback , prozac , ptak , pullback , quack , quarterback , racetrack , rack , ransack , razorback , repack , roback , rollback , ryback , sac , sack , sacque , sak , schack , schlack , schnack , schrack , setback , shack , shaq , sidetrack , skipjack , slayback , smack , smokestack , snack , soundtrack , spack , spak , stac , stack , strack , stracke , tac , tack , tarmac , thack , throwback , thwack , trac , track , trak , unpack , vanvlack , wack , wacke , whack , wingback , wisecrack , wrack , yack , yak , zach , zack , zodiac