slack
(adjective, noun, adverb)
/slæk/
LISTEN
A slack rope
When something is slack, we mean that it is not tight, that it is loose, and, figuratively, it means ‘not busy or active.’ It also means ‘negligent, lazy, or careless’ when referring to a person. As a noun, a slack is a reduction in activity or the period in which activity decreases. It is also the part of a rope that hangs loose, and in this sense it is uncountable. As a verb, slack means ‘to loosen or make less tight’ and, figuratively, to reduce the efforts or the intensity of something and in these two senses it is often used with off. It can also mean ‘to be lazy or neglectful of your work’ and is sometimes used with off in this sense.
Example sentences
- The rope is slack; you need to tighten it.
- Business is a bit slack at the moment.
- Adam can be slack when it comes to organizing things.
- The factory experienced a slack after the busy Christmas period.
- The rope was loose, so the sailor took up the slack and tightened it.
- The crew slacked off the sails.
- Henry slacked off his visits to his aunt.
- Imogen is always slacking; she never does any work!
Words often used with slack
cut someone some slack: not be too hard on someone. Example: “I know you don’t like Richard, but cut him some slack; he’s not so bad when you get to know him!”
take up the slack, pick up the slack: compensate for something missing or not completed. Example: “Several workers were off sick, so their colleagues had to take up the slack.”
Did you know?
As a plural noun, slacks are pants (US) or trousers (UK) and can be for either men or women.
In pop culture
Listen to Joe Bennett and the Sparkletones singing “Black Slacks” here:
Other forms
slackness (noun), slackly (adverb)
Origin
Slack, meaning ‘remiss or lax,’ ‘lacking energy, sluggish, languid or indolent’ or ‘slow, gentle or easy,’ dates back to before the year 900, in the form of the Old English adjective slæc or sleac (Middle English slac). It can be traced back to the Proto-Germanic slakas and the Proto-Indo-European root sleg– (to be slack or languid). Slack is related to the Old Saxon slak, the Old Norse slakr and the Old High German slah (all meaning ‘slack’), the Middle Dutch lac (fault or lack), the Greek legein (to leave off or stop) and lagnein (to lust), the Latin languere (to be faint or weary) and laxus (wide, spacious or roomy), the Old Church Slavonic slabu (lax or weak) and the Lithuanian silpnas (weak), as well as the Spanish lánguido, French langoureux and Portuguese lânguido (languid, listless or lacking energy), many other Romance language words, and the English words languid, languish, lax, lease, lush, relax, release, relish and sleep. The sense ‘loose, not tight’ dates back to the Middle English slac, in the late 13th century. Slack has also (though rarely) been used as an adverb since the 14th century. The noun, meaning ‘a stopping or decrease of something’ (at first, mostly used about pain and grief or other negative emotions), dates back to the early 14th century, and comes from the adjective. The sense ‘a decrease of flow’ (particularly of current or tide) first appeared in the mid-18th century, and led to ‘a still stretch of a river’ in the early 19th century. The meaning ‘the loose part or end of something’ is from the late 18th century, and gave rise to expressions such as take or pick up the slack (1930s) and cut someone some slack (1960s). The sense ‘a quiet period or lull’ is from the mid-19th century. The verb, meaning ‘to moderate or make slack,’ first appeared in the early 16th century, and comes from the adjective. It replaced an older verb for these meanings, slake (sleacian or sleacan in Old English), which was also related to slack. The sense ‘to be remiss, idle or inactive,’ or ‘to not exert yourself,’ first appeared in the mid-16th century.
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