SG Heritage Dictionary

Slackness [Noun] Webster's Dictionary 1828

1. Looseness; the state opposite to tension; not tightness or rigidness; as the slackness of a cord or rope.

2. Remissness; negligence; inattention; as the slackness of men in business or duty; slackness in the performance of engagements.

3. Slowness; tardiness; want of tendency; as the slackness of flesh to heal.

4. Weakness; not intenseness.

Slackness [Noun] Webster's Dictionary 1913

The quality or state of being slack.