| Dictionary | Name | Region | Valid |
|---|---|---|---|
| Offcl. Scrabble Pl. Dict. & Offcl. Scrabble Words | SOWPODS | International / UK / Australia | YES |
| NASPA Word List 2020 | NWL2020 | USA / Canada / Thailand | YES |
| NASPA Word List 2018 | NWL2018 | USA / Canada / Thailand | YES |
| Tournament Word List 2016 | TWL16 | USA / Canada / Thailand | YES |
| Tournament Word List 2014 | TWL14 | USA / Canada / Thailand | YES |
| Tournament Word List 2006 | TWL06 | USA / Canada / Thailand | YES |
| Tournament Word List 1998 | TWL98 | USA / Canada / Thailand | YES |
| Collins Scrabble Words 2019 | CSW19 | International / UK / Australia | YES |
| Collins Scrabble Words 2015 | CSW15 | International / UK / Australia | YES |
| Collins Scrabble Words 2012 | CSW12 | International / UK / Australia | YES |
| Collins Scrabble Words 2007 | CSW07 | International / UK / Australia | YES |
| Offcl. Scrabble Players Dictionary | OSPD4 | USA / Canada / Thailand | YES |
| Australian Primary Schools | OWL2 | Australia | YES |
| Australian Primary Schools | OWL1 | Australia | YES |
| Words With Friends 2000 | ENABLE2K | Worldwide | YES |
| Words With Friends 1997 (retired) | ENABLE1 | Worldwide | YES |
| Letterpress | Letterpress | Worldwide | YES |
| Yet Another Word List | YAWL | Worldwide | YES |
| Show more | |||
11
S1L1A1C3K5
Adjective |
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| slack - flowing with little speed as e.g. at the turning of the tide; "slack water" | ||
| slack - not tense or taut; "the old man's skin hung loose and grey"; "slack and wrinkled skin"; "slack sails"; "a slack rope" | ||
| slack - lacking in rigor or strictness; "such lax and slipshod ways are no longer acceptable"; "lax in attending classes"; "slack in maintaining discipline" | ||
Adverb |
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| slack - Slackly. | ||
Verb |
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| slack - cause to heat and crumble by treatment with water; "slack lime" | ||
| slack - make less active or fast; "He slackened his pace as he got tired"; "Don't relax your efforts now" | ||
| slack - release tension on; "slack the rope" | ||
| slack - avoid responsibilities and work, be idle | ||
| slack - be inattentive to, or neglect; "He slacks his attention" | ||
| slack - become slow or slower; "Production slowed" | ||
| slack - make less active or intense | ||
| slack - become less in amount or intensity; "The storm abated"; "The rain let up after a few hours" | ||
Noun |
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| slack - the quality of being loose (not taut); "he hadn't counted on the slackness of the rope" | ||
| slack - a cord or rope or cable that is hanging loosely; "he took up the slack" | ||
| slack - a stretch of water without current or movement; "suddenly they were in a slack and the water was motionless" | ||
| slack - dust consisting of a mixture of small coal fragments and coal dust and dirt that sifts out when coal is passed over a sieve | ||
| slack - a noticeable deterioration in performance or quality; "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality" | ||
| slack - a soft wet area of low-lying land that sinks underfoot |