11 results for: delusion

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
de·lu·sion    Audio Help   [di-loo-zhuhn] Pronunciation Key
–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 délūsiōn- (s. of délūsiō), equiv. to délūs(us) (ptp. of délūdere; see delude) + -iōn- -ion]

de·lu·sion·al, de·lu·sion·ar·y, adjective

1. deception. See illusion.
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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delusion

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American Heritage Dictionary - Cite This Source - Share This
de·lu·sion    Audio Help   (dĭ-lōō'zhən)  Pronunciation Key 
n.  
    1. The act or process of deluding.
    2. The state of being deluded.
  1. A false belief or opinion: labored under the delusion that success was at hand.
  2. 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.
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Online Etymology Dictionary - Cite This Source - Share This
delusion 
"act of misleading someone," c.1420; as a form of mental derangement, 1552. See delude. Technically, delusion is a belief that, though false, has been surrendered to and accepted by the whole mind as a truth; illusion is an impression that, though false, is entertained provisionally on the recommendation of the senses or the imagination, but awaits full acceptance and may not influence action. Delusions of grandeur attested from 1909.

Online Etymology Dictionary, © 2001 Douglas Harper
WordNet - Cite This Source - Share This
delusion

noun
1. (psychology) an erroneous belief that is held in the face of evidence to the contrary 
2. a mistaken or unfounded opinion or idea; "he has delusions of competence"; "his dreams of vast wealth are a hallucination" 
3. the act of deluding; deception by creating illusory ideas 

WordNet® 3.0, © 2006 by Princeton University.
Kernerman English Multilingual Dictionary - Cite This Source - Share This
deˈlusion [-ʒən] noun
a false belief, especially as a symptom of mental illness
Example: The young man was suffering from delusions.
Arabic: خِداع، غِش
Chinese (Simplified): (医学)妄想
Chinese (Traditional): (醫學)妄想
Czech: blud, halucinace
Danish: vrangforestilling
Dutch: waanvoorstelling
Estonian: pettekujutlus
Finnish: harhaluulo
French: hallucination
German: die Wahnvorstellung
Greek: πλάνη, αυταπάτη
Hungarian: érzékcsalódás
Icelandic: hugarórar; ranghugmynd
Indonesian: halusinasi
Italian: fissazione
Japanese: 妄想
Korean: 착각, 망상
Latvian: maldīšanās; mānija
Lithuanian: manija
Norwegian: vrangforestilling, selvbedrag
Polish: ułuda
Portuguese (Brazil): alucinação, delusão
Portuguese (Portugal): delírio
Romanian: deziluzie
Russian: заблуждение; галлюцинация
Slovak: blud, halucinácie
Slovenian: zabloda, iluzija
Spanish: falsa ilusión, alucinación
Swedish: villfarelse, inbillning, vanföreställning
Turkish: hayal, kuruntu
See also: delude, "delusion" in any language

Kernerman English Multilingual Dictionary, © 2000-2006 K Dictionaries Ltd.
The American Heritage Science Dictionary - Cite This Source - Share This
delusion    Audio Help   (dĭ-l'zhən)  Pronunciation Key 
A false belief strongly held in spite of invalidating evidence, especially as a symptom of mental illness, as in schizophrenia.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
delusion

A false belief held despite strong evidence against it; self-deception. Delusions are common in some forms of psychosis. Because of his delusions, the literary character Don Quixote attacks a windmill, thinking it is a giant.


[Chapter:] Anthropology, Psychology, and Sociology


The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

de·lu·sion (d-lzhn)
n.

A false belief strongly held in spite of invalidating evidence, especially as a symptom of mental illness.

de·lusion·al adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Merriam-Webster's Medical Dictionary - Cite This Source - Share This

Main Entry: de·lu·sion
Pronunciation: di-'lü-zh&n
Function: noun
1 a : the act of deluding : the state of being deluded b : an abnormal mental state characterized by the occurrence of psychotic delusions
2 : a false belief regarding the self or persons or objects outside the self that persists despite the facts and occurs in some psychotic states —compare HALLUCINATION 1, ILLUSION 2a

Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Delusion

De*lu"sion\n. [L. delusio, fr. deludere. See Delude.]

1. The act of deluding; deception; a misleading of the mind. --Pope.

2. The state of being deluded or misled.

3. That which is falsely or delusively believed or propagated; false belief; error in belief.

And fondly mourned the dear delusion gone. --Prior.

Syn: Delusion, Illusion.

Usage: These words both imply some deception practiced upon the mind. Delusion is deception from want of knowledge; illusion is deception from morbid imagination. An illusion is a false show, a mere cheat on the fancy or senses. It is, in other words, some idea or image presented to the bodily or mental vision which does not exist in reality. A delusion is a false judgment, usually affecting the real concerns of life. Or, in other words, it is an erroneous view of something which exists indeed, but has by no means the qualities or attributes ascribed to it. Thus we speak of the illusions of fancy, the illusions of hope, illusive prospects, illusive appearances, etc. In like manner, we speak of the delusions of stockjobbing, the delusions of honorable men, delusive appearances in trade, of being deluded by a seeming excellence. "A fanatic, either religious or political, is the subject of strong delusions; while the term illusion is applied solely to the visions of an uncontrolled imagination, the chimerical ideas of one blinded by hope, passion, or credulity, or lastly, to spectral and other ocular deceptions, to which the word delusion is never applied." --Whately.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.

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