disillusioned

US /ˌdɪs.ɪˈluː.ʒənd/
UK /ˌdɪs.ɪˈluː.ʒənd/
"disillusioned" picture
1.

disilluso, deluso

disappointed in someone or something that one discovers to be less good than one had believed

:
She became disillusioned with politics after the scandal.
È diventata disillusa dalla politica dopo lo scandalo.
Many young people feel disillusioned with the current economic system.
Molti giovani si sentono disillusi dal sistema economico attuale.