SLACK; SLACKEN v.
To cause to become less eager; to repress; to make slow or less rapid; to retard; as, to slacken pursuit; to slacken industry. "Rancor for to slack." Chaucer. I should be grieved, young prince, to think my presence Unbent your thoughts, and slackened 'em to arms. Addison. In this business of growing rich, poor men shou…