Cheerfulness, well-being, confidence, and the willful spirit to do something.
No research is needed to show that employee morale usually sinks lower than an ocean trench within a few months of working at any job.
Overall feeling, usually of a group of people. When morale is high, people are happy. When it is low, people are probably grumbling.
"The beatings will continue until morale improves!"
-Sgt. Craig Pittman