Noun : delusions of grandeur. ,a paranoid delusion.    From Dictionary.com. 

Dr Mzimela said Mr Niehaus was "intoxicated with the wine we call delusions of self-importance".    From Wordnik.com.  [ANC Daily News Briefing] Reference

Closed-minded people aggressively protect their ideology-based delusions from the influences of reality or other ideas.    From Wordnik.com.  [Democracy needs informed people, Obama tells grads] Reference

You seem to entertain delusions about the world's overpopulation problem: "we could fit the entire population of the WORLD in Texas ...".    From Wordnik.com.  [Sound Politics: "Peak Oil" Despair Versus Energy Innovation] Reference

Another one of her delusions is that everyone she knows is a clone, or series of them, and they're all out to harvest her organs, and otherwise persecute her.    From Wordnik.com.  [Heroes or Villains?] Reference

It is called delusions of grandeur which is a psychological condition.    From Wordnik.com.  [Did the McCain campaign back-channel the race card through Ron Fournier?] Reference

Their delusions were his truth; their hungers were his heart's desire.    From Wordnik.com.  [Alvin Journeyman]

Your delusions are the result of a serious mental condition / disability.    From Wordnik.com.  [One Utah] Reference

In the case of the unpleasant Webb, the delusions are a bit over the top.    From Wordnik.com.  [Archive 2006-12-01] Reference

Although in his case it might better have been called delusions of squalor.    From Wordnik.com.  [In a Strange City]

Among his delusions was a strange one -- that he had been made viceroy over all the fishes.    From Wordnik.com.  [Tales of the Chesapeake] Reference

Okay, maybe I indulged in a few delusions, which is why I went looking for it in the first place.    From Wordnik.com.  [WoolGathering] Reference

ConMORON can keep calling his delusions the truth because he continues to repeat them all he wants.    From Wordnik.com.  [Think Progress » Obama explains climate science to global warming deniers.] Reference

Her failure to accept guilt by denying what the prosecution called delusions somehow proved mental incompetence.    From Wordnik.com.  [American Cassandra - Susan Lindauer's Story] Reference

Needless to say, 'delusions' are always officially defined.    From Wordnik.com.  [Gravity's Rainbow]

It is doubtful that my grandfather was under any kind of delusions or hallucinations.    From Wordnik.com.  [2008 January 18 « Unambiguously Ambidextrous] Reference

Extreme manic episodes can sometimes lead to psychotic symptoms such as delusions and hallucinations.    From Wordnik.com.  [Diagnosing Sarah Barracuda; Borderline? Bipolar?] Reference

The executive director of the National Security Archive calls the assumptions in these reports, quote, "delusions," unquote.    From Wordnik.com.  [CNN Transcript Feb 15, 2007] Reference

The prosecutor argued that a fair trial was not possible without this medical intervention directed at her "delusions" of innocence.    From Wordnik.com.  [Bush Political Prisoner Gets Her Day in Court] Reference

Unusual thoughts, such as delusions that the television is controlling your mind, or thoughts of suicide.    From Wordnik.com.  [All MayoClinic.com Topics] Reference

Mrs Hamilton alleges her mother's "delusions" made her incapable of "making a reasonable and proper disposition of her estate".    From Wordnik.com.  [Telegraph.co.uk: news, business, sport, the Daily Telegraph newspaper, Sunday Telegraph] Reference

'delusions', with these being greatest in the frequent users and least in ex-users.    From Wordnik.com.  [Mixmag - The world's biggest dance music and clubbing magazine] Reference

"I'd question the use of" delusions ", Varian said, sounding like her alter ego again.    From Wordnik.com.  [Survivors]

Now, people suffering from some kind of mental incapacity such as delusions or schizophrenia —”.    From Wordnik.com.  [The Killing Hour]

"delusions", you must also pose a serious risk to yourself or others, or be unable to take care of yourself.    From Wordnik.com.  [WHAT REALLY HAPPENED] Reference

Meaning that he has delusions of being Walt Disney?.    From Wordnik.com.  [The Upside of Ego] Reference

American elections are a powerful drug: they bring delusions of omnipotence.    From Wordnik.com.  [Holding Pattern] Reference

Among their delusions, Serbs harbor a deep grievance against Milosevic himself.    From Wordnik.com.  [His Willing Executioners] Reference

Yates was so low that she was deranged -- clinically speaking, psychotic, subject to delusions.    From Wordnik.com.  [Motherhood And Murder] Reference

But saying no to Washington's delusions of universal relevance is one of conservatism's chores.    From Wordnik.com.  [Republicans, Just Waiting] Reference

In these books, apocalyptic delusions got us into Iraq and misjudgments have helped keep us there.    From Wordnik.com.  [The Constitution in Peril] Reference

A powerful politician, especially one on a hot streak like Clinton, can succumb to delusions of grandeur.    From Wordnik.com.  [Clinton V. Paula Jones] Reference

If you ask her, she still insists on the reality of her delusions, but mostly our conversations are pleasant.    From Wordnik.com.  [My Mother's Illness] Reference

Until they finish their grim task, it will be impossible to gauge the full consequences of a madman's fatal delusions.    From Wordnik.com.  [An Apocalyptic Mystery] Reference

Your own children come to look like strangers, and terrifying delusions migrate freely from your dreams into waking consciousness.    From Wordnik.com.  [Alzheimer's Unlocking The Mystery] Reference