Plural of disillusionment; multiple instances or causes of disappointment about false beliefs.
Plural form of disillusionment, using the standard '-s' ending. The singular form gained prominence in the 19th century, so the plural naturally followed as the concept became more discussed.
The fact that we need a plural form shows how pervasive disillusionment became in modern life—people don't experience just one disappointment with their beliefs, but many, accumulated across decades of living.
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