Definition of "disillusionment" []

• A feeling of disappointment, akin to depression, arising from the realization that something is not what it was expected or believed to be, possibly accompanied by philosophical angst from having one's beliefs challenged. (noun)
• The act of freeing from an illusion; the state of being freed therefrom. (noun)

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• "Stewart, at the expense of discussing issues like the war in Afghanistan, the ongoing existence of Gitmo or the expanding national security state, was focused on this question, with the president making his case for why their present disillusionment is misplaced."
• "Andrew Kohut of the Pew Research Center says disillusionment is the most powerful sentiment of the electorate as a whole."
• "Still, he's mired in disillusionment and mourning."