Definition of 'slacken'

Verb

1. become slow or slower; "Production slowed"
      Synonyms: slow slow down slow up slack
2. make less active or fast; "He slackened his pace as he got tired"; "Don't relax your efforts now"
      Synonyms: slack slack up relax
3. become looser or slack; "the rope slackened"
4. make slack as by lessening tension or firmness
      Synonyms: remit

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