| Slack: English to English |
| Slack (a.) Alt. of Slacken |
| Slack (adv.) Slackly; as, slack dried hops. |
| Slack (n.) A valley, or small, shallow dell. |
| Slack (n.) Small coal; also, coal dust; culm. |
| Slack (n.) The part of anything that hangs loose, having no strain upon it; as, the slack of a rope or of a sail. |
| Slack (superl.) Lax; not tense; not hard drawn; not firmly extended; as, a slack rope. |
| Slack (superl.) Not violent, rapid, or pressing; slow; moderate; easy; as, business is slack. |
| Slack (superl.) Remiss; backward; not using due diligence or care; not earnest or eager; as, slack in duty or service. |
| Slack (superl.) Weak; not holding fast; as, a slack hand. |
| Slack (v. t.) Alt. of Slacken |