<p><strong>Verb (used without object)</strong></p><ul><li>to sleep, especially lightly; doze; drowse</li><li>to be in a state of inactivity, negligence, quiescence, or calm: Vesuvius is slumbering</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to spend or pass (time) in slumbering (often followed by away, out, or through): to slumber the afternoon away</li><li>to dispel or forget by slumbering (often followed by away): to slumber cares away</li></ul><p><strong>Noun</strong></p><ul><li>sometimes slumbers</li><li>sleep, especially light sleep</li><li>a period of sleep, especially light sleep</li><li>a state of inactivity, quiescence, etc.</li></ul>