1. slackening

noun. ['ˈslækənɪŋ'] an occurrence of control or strength weakening.


  • weakening
  • thaw
  • relaxation


  • tightening
  • rise
  • increase
  • concentration

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Words that Rhyme with Slackening

  • blackening

Example sentences of the word slackening

1. Noun, singular or mass
These instruments have winch-like mechanisms which allow the strings to be wound tightly with the simple turn of a knob and which then hold the added tension, preventing slackening.

2. Verb, gerund or present participle
Spring scales can, unfortunately be subject to slackening as the spring is used routinely over long period of time.