Possible Clues:

• Slowness to act, lassitude
• Subject of the first law of motion
• Idling, I near it!
• I tear in, disturbed by lack of action
• Sloth; inactivity
• Slowness to act, lack of strength
• Sluggish movement of a train that's vandalised
• Sluggishness experienced, however I tear in
• Don't like things, for a change
• Sluggish inactivity