Verb

• S: (v) slow, slow down, slow up, slack, slacken (become slow or slower) "Production slowed"
• S: (v) slack, slacken, slack up, relax (make less active or fast) "He slackened his pace as he got tired"; "Don't relax your efforts now"
• S: (v) slacken (become looser or slack) "the rope slackened"
• S: (v) slacken, remit (make slack as by lessening tension or firmness)