Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

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

Type of: looseness, neglect, neglectfulness, negligence, play, weakness

Encyclopedia: Slackness