Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Verb: slacken off
  1. Become less intense
    "The wind slackened off as the storm passed";
    - ease up, ease off, flag

Derived forms: slackened off, slackens off, slackening off

Type of: come down, decrease, dent, diminish, fall, go down, lessen, sink