Disillusioned
Part of speech: verb
Definition: To free or deprive of illusion; to disenchant.
Part of speech: adjective
Definition: The state of having lost one's illusions.
Example sentence: The end of the First World War had thrown Germany's youth into great turmoil. The reins of power had fallen from the hands of a deeply disillusioned older generation, and the younger ones drew together in larger and smaller groups to blaze new paths or, at least, to discover a new star to steer by.
Disenchanted
Part of speech: verb
Definition: (of a person) To free from illusion, false belief or enchantment; to undeceive or disillusion.
Example sentence: Actually, for several years, I'd been looking to leave L.A. I was getting more and more disenchanted with it; the smog, the traffic.