follow Dictionary.com

What is the X in X-mas?

infantile

[in-fuh n-tahyl, -til] /ˈɪn fənˌtaɪl, -tɪl/
adjective
1.
characteristic of or befitting an infant; babyish; childish:
infantile behavior.
2.
of or relating to infants or infancy:
infantile diseases.
3.
Physical Geography, youthful (def 5).
Origin
1690-1700
1690-1700; < Latin infantīlis. See infant, -ile
Related forms
infantility
[in-fuh n-til-i-tee] /ˌɪn fənˈtɪl ɪ ti/ (Show IPA),
noun
Synonyms
1. puerile, immature, weak. See childish.
Antonyms
1. adult, mature.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for infantile
  • Serial casting is something that may be used in children with infantile scoliosis only.
  • But the next day, childlike wonder gives way to infantile greed.
  • The painted clown acted out childish behaviors and infantile pleasures.
  • Perhaps a better adjective than feminine is infantile.
  • Such an approach is infantile and has nothing to do with scholarship.
  • But the expulsion of infantile vomit is unique in a number of ways.
  • They are the people you insulted with your infantile, self-serving swipes at a belief system you refuse to understand.
  • There are a myriad number of directions these things can go and to cast sides is infantile and polemic.
  • Your sense of humor is both infantile and potentially dangerous.
  • We need somebody to say the unsayable, to act out our infantile vindictive wishes, to be never at a loss.
British Dictionary definitions for infantile

infantile

/ˈɪnfənˌtaɪl/
adjective
1.
like a child in action or behaviour; childishly immature; puerile
2.
of, relating to, or characteristic of infants or infancy
3.
in an early stage of development
Derived Forms
infantility (ˌɪnfənˈtɪlɪtɪ) noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for infantile
adj.

mid-15c., "pertaining to infants," from Latin infantilis "pertaining to an infant," from infans (see infant). Sense of "infant-like" is from 1772.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
infantile in Medicine

infantile in·fan·tile (ĭn'fən-tīl', -tĭl)
adj.

  1. Of or relating to infants or infancy.

  2. Displaying or suggesting a lack of maturity; extremely childish.

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

Word of the Day

Difficulty index for infantile

Some English speakers likely know this word

Word Value for infantile

12
15
Scrabble Words With Friends

Quotes with infantile