disillusioned /ˌdɪsɪˈluʒənd/ /ˌdɪsɪˈluːʒənd/
disappointed /ˌdɪs.əˈpɔɪnt.əd/ /ˌdɪsəˈpɔɪntɪd/
frustrated /ˈfrʌˌstreɪtəd/ /frʌsˈtreɪtɪd/
