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English definition of “slack”

slack

adjective (NOT ACTIVE)    /slæk/
showing little activity ; not busy or happening in a positive way: Business is always slack at this time of year .disapproving Discipline in Mr Brown's class has become very slack recently .disapproving The job is taking a long time because the workmen are so slack.Slow and moving slowly slackly     /ˈslæk.li/ adverb
(Definition of slack adjective (NOT ACTIVE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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