Word Source - www.word.sc/slack - Dictionary definition for slack

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slack

adjective

not tense or taut; "the old man''s skin hung loose and gray"; "slack and wrinkled skin"; "slack sails"; "a slack rope"
Synonyms: loose Similar: lax
lacking in strength or firmness or resilience; "flaccid muscles"; "took his lax hand in hers"; "gave a limp handshake"; "a limp gesture as if waving away all desire to know" G.K.Chesterton; "a slack grip"
Synonyms: flaccid, lax, limp Similar: weak
flowing with little speed as e.g. at the turning of the tide; "slack water"
Similar: standing
lacking in rigor or strictness; "such lax and slipshod ways are no longer acceptable"; "lax in attending classes"; "slack in maintaining discipline"
Synonyms: lax Similar: negligent

noun

dust consisting of a mixture of small coal fragments and coal dust and dirt that sifts out when coal is passed over a sieve
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"
Synonyms: drop-off, falling off, falloff, slump
a stretch of water without current or movement; "suddenly they were in slack water"
the condition of being loose (not taut); "he hadn''t counted on the slackness of the rope"
Synonyms: slackness
a cord or rope or cable that is hanging loosely; "he took up the slack"

verb

avoid responsibilities and work, be idle
be inattentive to, or neglect; "He slacks his attention"
release tension on; "slack the rope"
make less active or fast; "He slackened his pace as he got tired"; "Don''t relax your efforts now"
Synonyms: relax, slacken, slack up
become slow or slower; "Production slowed"
Synonyms: slacken, slow, slow down, slow up
make less active or intense
Synonyms: abate, slake
become less in amount or intensity; "The storm abated"; "The rain let up after a few hours"
Synonyms: abate, die away, let up, slack off
cause to heat and crumble by treatment with water; "slack lime"
Synonyms: slake