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infantilism

 - 4 dictionary results

in⋅fan⋅ti⋅lism

[in-fuhn-tl-iz-uhm, -tahy-liz-, in-fan-tl-iz-uhm]
–noun
1. the persistence in an adult of markedly childish anatomical, physiological, or psychological characteristics.
2. an infantile act, trait, etc., esp. in an adult.
3. a speech disorder characterized by speech and voice patterns that are typical of very young children.

Origin:
1890–95; infantile + -ism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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in·fan·til·ism   (ĭn'fən-tl-ĭz'əm, ĭn-fān'tl-)   
n.  
  1. A state of arrested development in an adult, characterized by retention of infantile mentality, accompanied by stunted growth and sexual immaturity, and often by dwarfism.

    1. Marked immaturity, as in behavior or character: "infantilism, which is the subtext of so much American cinema and culture" (John Simon).

    2. An infantile act or remark.

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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Medical Dictionary

Main Entry: in·fan·til·ism
Pronunciation: 'in-f&n-"tIl-"iz-&m, -t&-"liz-; in-'fan-t&l-"iz-
Function: noun
: retention of childish physical, mental, or emotional qualities in adult life; especially : failure to attain sexual maturity
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

infantilism in·fan·til·ism (ĭn'fən-tl-ĭz'əm, ĭn-fān'tl-)
n.

  1. A state of arrested development in an adult, characterized by retention of infantile mentality, accompanied by stunted growth and sexual immaturity, and often by dwarfism.

  2. Extreme immaturity, as in behavior or character.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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