slackadjective
uk/slæk/us/slæk/slack adjective (NOT TIGHT)
not tight; loose:
These tent ropes are too slack - they need tightening.
Thesaurus: synonyms and related words
Flexible, loose and yielding
- adrift
- bendable
- bendy
- ductile
- elastic
- flowing
- jointed
- loose
- loose-fitting
- loosely
- looseness
- plastic
- slackness
- spring
- springy
- sprung
- stretch
- stretchy
- supple
- yield
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slack adjective (NOT ACTIVE)
showing little activity; not busy or happening in a positive way:
Business is always slack at this time of year.
UK disapproving Discipline in Mr Brown's class has become very slack recently.
UK disapproving The job is taking a long time because the workmen are so slack.
Thesaurus: synonyms and related words
Slow and moving slowly
- at a snail's pace idiom
- by and by idiom
- by degrees idiom
- claw your way (somewhere) idiom
- clunky
- drift
- float
- hang around
- in ones and twos idiom
- inch by inch idiom
- infiltrate
- infiltration
- labour
- mill
- slowpoke
- sluggish
- snail
- steadily
- steady
- struggle
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slackly
adverb uk/ˈslæk.li/us/ˈslæk.li/
slacknoun
uk/slæk/us/slæk/slack noun (NOT TIGHT)
[ U ] the fact that something is too loose:
There's too much slack in these ropes.
The men pulled on the ropes to take up the slack (= to tighten them).
Thesaurus: synonyms and related words
Flexible, loose and yielding
- adrift
- bendable
- bendy
- ductile
- elastic
- flowing
- jointed
- loose
- loose-fitting
- loosely
- looseness
- plastic
- slackness
- spring
- springy
- sprung
- stretch
- stretchy
- supple
- yield
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slack noun (TROUSERS)
slacks [ plural ] US or UK old-fashioned
a pair of trousers, that are not part of a suit:
wool slacks
Thesaurus: synonyms and related words
Trousers
- bell-bottoms
- Bermuda shorts
- blue jeans
- bootcut
- breeches
- cutoff
- cycling shorts
- denim
- drainpipe
- dungarees
- jodhpurs
- knickerbockers
- knickers
- leggings
- Levi's
- low-rise
- tracksuit bottoms
- trews
- trouser
- trousers
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slack noun (COAL)
[ U ] very small pieces and dust from coal
Thesaurus: synonyms and related words
Fuels
- -fired
- alternative energy
- anthracite
- biodiesel
- biomass
- briquette
- coal-fired
- coke
- denatured alcohol
- fuel
- fuel poverty
- fuel rod
- fuel-efficient
- gas
- gasometer
- hickory chips
- oil
- propellant
- solid fuel
- wind farm
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Idiom(s)
pick up/take up the slack
slackverb [ I ]
uk/slæk/us/slæk/informalto work more slowly and with less effort than usual, or to go more slowly:
Everyone slacks off/up at the end of the week.
disapproving You'll be in trouble if you're caught slacking on the job.
Slack off your speed as you approach the corner.
Thesaurus: synonyms and related words
Slow and moving slowly
- at a snail's pace idiom
- by and by idiom
- by degrees idiom
- claw your way (somewhere) idiom
- clunky
- drift
- float
- hang around
- in ones and twos idiom
- inch by inch idiom
- infiltrate
- infiltration
- labour
- mill
- slowpoke
- sluggish
- snail
- steadily
- steady
- struggle
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