Disillusionment is defined as a feeling of being stripped of your illusions or fantasies, or feeling that something is disappointing because it did not live up to your expectations.
When you go to Disney World and realize it really isn't all that great after all, this is an example of a time when you might experience disillusionment.
- an act of disillusioning
- the fact or state of being disillusioned
(countable and uncountable, plural disillusionments)
dis- + illusion + -ment