- 1disappointed because the person you admired or the idea you believed to be good and true now seems without value synonym disenchanted
- 2 I soon became disillusioned with the job. I feel utterly disillusioned by his refusal to take any action. Her book is the testimony of a disillusioned woman.
NAmE//ˌdɪsəˈluʒnd//disillusioned (by/with somebody/something)