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delusional - 4 dictionary results
Alzheimer's Symptoms
 Memory Loss & Delusions are Symptoms of Alzheimer's Disease.
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Delusion
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de⋅lu⋅sion

  [di-loo-zhuhn]
Use delusional in a Sentence
–noun
1. an act or instance of deluding.
2. the state of being deluded.
3. a false belief or opinion: delusions of grandeur.
4. Psychiatry. a fixed false belief that is resistant to reason or confrontation with actual fact: a paranoid delusion.
Origin:
1375–1425; late ME < L dēlūsiōn- (s. of dēlūsiō), equiv. to dēlūs(us) (ptp. of dēlūdere; see delude ) + -iōn- -ion

Related forms:
de⋅lu⋅sion⋅al, de⋅lu⋅sion⋅ar⋅y, adjective

Synonyms:
1. deception. See illusion.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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de·lu·sion   (dĭ-lōō'zhən)   
n.  
    1. The act or process of deluding.
    2. The state of being deluded.
  2. A false belief or opinion: labored under the delusion that success was at hand.
  3. Psychiatry A false belief strongly held in spite of invalidating evidence, especially as a symptom of mental illness: delusions of persecution.

[Middle English delusioun, from Latin dēlūsiō, dēlūsiōn-, from dēlūsus, past participle of dēlūdere, to delude; see delude.]
de·lu'sion·al adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Delusional

De*lu"sion*al\, a. Of or pertaining to delusions; as, delusional monomania.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Main Entry: de·lu·sion·al
Pronunciation: di-'lüzh-n&l, -'lü-zh&n-&l
Function: adjective
: relating to,based on, or affected by delusions delusional patient>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Search another word or see delusional on Thesaurus | Reference
Alzheimer's Symptoms
 Memory Loss & Delusions are Symptoms of Alzheimer's Disease.
 www.AlzResourceCenter.com
Delusion
 Signs, Symptoms & Treatments. Get Free Health Information Online.
 www.healthline.com