Demoralization (noun)

1. The process of undermining the morale or confidence of a group or individual.
2. The state of being demoralized, having low morale or confidence.

Origin:

From demoralize + -ation.

Examples:

1. The constant criticism led to the demoralization of the employees.
2. The scandal caused widespread demoralization among the supporters.
3. The defeat led to the demoralization of the team.
4. The long-term unemployment caused demoralization among the population.
5. The ongoing conflict led to the demoralization of the soldiers.