What distinguishes professional discontent from merely having a bad day?

Answer

It is a persistent state where an employee feels unhappy with the conditions or outcomes of their work.

Professional discontent is defined as a persistent state of unhappiness concerning the conditions, circumstances, or outcomes associated with employment, contrasting with the temporary nature of having a bad day.

What distinguishes professional discontent from merely having a bad day?
jobcareercauseworkdissatisfaction