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IELTS BNC: 11676 COCA: 6983

slack

1 of 5

adjective

ˈslak How to pronounce slack (audio)
1
: not using due diligence, care, or dispatch : negligent
2
a
: characterized by slowness, sluggishness, or lack of energy
a slack pace
b
: moderate in some quality
especially : moderately warm
a slack oven
c
: blowing or flowing at low speed
the tide was slack
3
a
: not tight or taut
a slack rope
b
: lacking in usual or normal firmness and steadiness : weak
slack muscles
slack supervision
4
: wanting in activity : dull
a slack market
5
: lacking in completeness, finish, or perfection
a very slack piece of work
slackly adverb
slackness noun

slack

2 of 5

verb

slacked; slacking; slacks

intransitive verb

1
: to be or become slack
2
: to shirk or evade work or duty

transitive verb

1
a
: to be slack or negligent in performing or doing
b
: lessen, moderate
2
: to release tension on : loosen
3
a
: to cause to abate
b
: slake sense 3

slack

3 of 5

noun (1)

1
: cessation in movement or flow
2
: a part of something that hangs loose without strain
take up the slack of a rope
3
: trousers especially for casual wear
—usually used in plural
4
: a dull season or period
5
a
: a part that is available but not used
some slack in the budget
b
: a portion (as of labor or resources) that is required but lacking
hired a temp to take up the slack
6
: additional leeway or relief from pressure
—usually used with cut
refused to cut me some slack on the schedule

slack

4 of 5

noun (2)

dialectal, England
: a pass between hills

slack

5 of 5

noun (3)

: the finest screenings of coal produced at a mine unusable as fuel unless cleaned

Synonyms

Adjective

Verb

Noun (1)

Choose the Right Synonym for slack

negligent, neglectful, lax, slack, remiss mean culpably careless or indicative of such carelessness.

negligent implies inattention to one's duty or business.

negligent about writing a note of thanks

neglectful adds a more disapproving implication of laziness or deliberate inattention.

a society callously neglectful of the poor

lax implies a blameworthy lack of strictness, severity, or precision.

a reporter lax about accurate quotation

slack implies want of due or necessary diligence or care.

slack workmanship

remiss implies blameworthy carelessness shown in slackness, forgetfulness, or neglect.

had been remiss in their familial duties

Example Sentences

Adjective His broken arm hung slack at his side. The rope suddenly went slack. He accused the government of slack supervision of nuclear technology. Verb They need to stop slacking and get down to work. the skipper ordered the crew to slack off the sheets on the mainsail

Word History

Etymology

Adjective

Middle English slak, from Old English sleac; akin to Old High German slah slack, Latin laxus slack, loose, languēre to languish, Greek lagnos lustful and perhaps to Greek lēgein to stop

Noun (2)

Middle English slak, from Old Norse slakki

Noun (3)

earlier sleck, probably from Middle Dutch slacke, slecke slag

First Known Use

Adjective

before the 12th century, in the meaning defined at sense 1

Verb

13th century, in the meaning defined at intransitive sense 1

Noun (1)

1756, in the meaning defined at sense 1

Noun (2)

14th century, in the meaning defined above

Noun (3)

1729, in the meaning defined above

Time Traveler
The first known use of slack was before the 12th century

Phrases Containing slack

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