slacken Meaning, Definition & Usage

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

WordNet


Slack"en noun
Definitions
  1. (Metal.) A spongy, semivitrifled substance which miners or smelters mix with the ores of metals to prevent their fusion. Written also slakin.

Webster 1913