Definition of Disillusion

to be disheartened about something that once was thought to be good

Examples of Disillusion in a sentence

Once happily elected as treasurer, the voters soon felt disillusion toward the treasurer after finding out yesterday he had previously stolen money.  

Disillusion sunk in when I found out my grandmother’s prized million-dollar fudge was actually store-bought.  

Big smiles turned to frowns and feelings of disillusion after her fiancé proposed but produced the smallest diamond ring to her.  

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