Not engaged: Not-engaged employees are essentially checked out. They're sleepwalking through their workday, putting time -- but not passion -- into their work.
Actively disengaged: Actively disengaged employees aren't just unhappy at work; they're busy acting out their unhappiness. Every day, these workers undermine what their engaged colleagues accomplish.
Source: Gallup Management Journal, 2006
This was first published in March 2007