| 1. | not tight, taut, firm, or tense; loose: a slack rope. |
| 2. | negligent; careless; remiss: slack proofreading. |
| 3. | slow, sluggish, or indolent: He is slack in answering letters. |
| 4. | not active or busy; dull; not brisk: the slack season in an industry. |
| 5. | moving very slowly, as the tide, wind, or water. |
| 6. | weak; lax. |
| 7. | Nautical. easy (def. 15a). |
| 8. | in a slack manner. |
| 9. | a slack condition or part. |
| 10. | the part of a rope, sail, or the like, that hangs loose, without strain upon it. |
| 11. | a decrease in activity, as in business or work: a sudden slack in output. |
| 12. | a period of decreased activity. |
| 13. | Geography. a cessation in a strong flow, as of a current at its turn. |
| 14. | a depression between hills, in a hillside, or in the land surface. |
| 15. | Prosody. (in sprung rhythm) the unaccented syllable or syllables. |
| 16. | British Dialect. a morass; marshy ground; a hollow or dell with soft, wet ground at the bottom. |
| 17. | to be remiss in respect to (some matter, duty, right, etc.); shirk; leave undone: He slacked the most important part. |
| 18. | to make or allow to become less active, vigorous, intense, etc.; relax (efforts, labor, speed, etc.); lessen; moderate (often fol. by up). |
| 19. | to make loose, or less tense or taut, as a rope; loosen (often fol. by off or out). |
| 20. | to slake (lime). |
| 21. | to be remiss; shirk one's duty or part. |
| 22. | to become less active, vigorous, rapid, etc. (often fol. by up): Business is slacking up. |
| 23. | to become less tense or taut, as a rope; to ease off. |
| 24. | to become slaked, as lime. |
| 25. | take up the slack,
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slack 1 (slāk) adj. slack·er, slack·est
v. tr.
Phrasal Verb(s): slack offTo decrease in activity or intensity. Idiom(s): cut/give (someone) some slackSlang To make an allowance for (someone), as in allowing more time to finish something. [Middle English slak, from Old English slæc; see slēg- in Indo-European roots.] slack'ly adv., slack'ness n. |
slack off
Decrease in activity or intensity, as in If business ever slacks off we can go on vacation, or When the project fell behind schedule again, she thought we were slacking off. [Second half of 1800s]