Definition of 'slackness'

Noun

1. weakness characterized by a lack of vitality or energy
      Synonyms: inanition lassitude lethargy
2. the condition of being loose (not taut); "he hadn't counted on the slackness of the rope"
      Synonyms: slack
3. the quality of being lax and neglectful
      Synonyms: laxness laxity remissness

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