• WordNet 3.6
    • adj infantile indicating a lack of maturity "childish tantrums","infantile behavior"
    • adj infantile being or befitting or characteristic of an infant "infantile games"
    • adj infantile of or relating to infants or infancy "infantile paralysis"
    • ***
Webster's Revised Unabridged Dictionary
    • a Infantile Of or pertaining to infancy, or to an infant; similar to, or characteristic of, an infant; childish; as, infantile behavior.
    • ***
Century Dictionary and Cyclopedia
    • infantile Of or belonging to infants or little children; pertaining to or characteristic of infancy or an infant.
    • infantile Of the character of an infant; infant-like.
    • infantile In geology, of a land form, having been subjected to the processes of erosion, in its present relation to base-level, for a very short lime.
    • ***
Chambers's Twentieth Century Dictionary
    • adjs Infantile (in′fant-īl, or -il) pertaining to infancy or to an infant
    • ***


  • Ezra Pound
    “I dunno what my 23 infantile years in America signify. I left as soon as motion was autarchic -- I mean my motion.”
  • John Wells
    John Wells
    “Infantilism is possibly the hallmark of our generation.”
  • Aleister Crowley
    “I have never grown out of the infantile belief that the universe was made for me to suck.”
  • Voltaire
    “It is an infantile superstition of the human spirit that virginity would be thought a virtue and not the barrier that separates ignorance from knowledge.”


Webster's Revised Unabridged Dictionary
L. infantilis,: cf. F. infantile,. See Infant
Chambers's Twentieth Century Dictionary
L. infans, -antisin, not, fans, pr.p. of fāri, to speak; Gr. phēmi.


In literature:

It is woman's first' to give bias to the brain cells and soul impulses of ante-natal and post-natal infantile life.
"The Arena" by Various
From the depths of the Jack-o'-Lantern came a shrill, infantile cry.
"At the Sign of the Jack O'Lantern" by Myrtle Reed
She seemed sweet and kind, But her infantile face hid a mercantile mind.
"Three Women" by Ella Wheeler Wilcox
The earlier fate of these infantile members of the boat population is sad.
"In Eastern Seas" by J. J. Smith
I could make you smile when no one else could; and what a joy it was to see a love for me coming into your infantile existence.
"The Smart Set" by Clyde Fitch
She was repaid for this little speech, as a smile, almost infantile in its sweetness, came to Mrs. Blake's lip.
"Lover or Friend" by Rosa Nouchette Carey
A petulant infantile wail came from within, but neither noted it.
"Ghetto Comedies" by Israel Zangwill
That was the last sweet infantile caress your child was ever destined to give you!
"Captain Brand of the "Centipede"" by H. A. (Henry Augustus) Wise
The children of tobacco-using parents frequently die with infantile paralysis.
"Almost A Man" by Mary Wood-Allen
The infantile state of all countries exhibits, in a greater or less degree, a prevalence of barbarism.
"Chronicles of Border Warfare" by Alexander Scott Withers

In poetry:

Humble Parisian bard, this infantile
Bouquet of rhymes I tender half in fear....
Be gracious, and in guerdon, on the dear
Red lips of One I know, alight and smile!
"Il Bacio" by Paul Verlaine
No matter if the world has marched along,
And scorned his slowness as it quickly passed;
No matter, if amid the busy throng,
He greets some face, infantile at the last.
"The Idler" by Alice Dunbar-Nelson
Having two cloaks, give one (said our Lord) to the poor;
In such bounty as that lies the trial:
But a child that gives half of its infantile store
Has small praise, because small self-denial.
"Charity" by Charles Lamb
And hast thou e'er learn'd that the earth and its joys
Are treasures all worthless as infantile toys,
Compar'd with the pleasures a Christian may prove,
As he hastes to the banquet of peace and of love
"The Sabbath" by Caroline Fry
Well long they tarried o'er that
Meal. It seemed as though 'twould never end,
And yet they were not eating. At last the babe
Stretched forth its chubby hands and with
Infantile speech, broke up the silent meal.
"Uranne" by Mary Weston Fordham
Sweet little myth of the nursery story--
Earliest love of mine infantile breast,
Be something tangible, bloom in thy glory
Into existence, as thou art addressed!
Hasten! appear to me, guileless and good--
Thou are so dear to me, Red Riding-Hood!
"Red Riding-Hood" by James Whitcomb Riley

In news:

Thank you, you drunk and cowardly infantile asshole , for putting the lovely scrapes and hatchet marks from your cardoor onto my cardoor.
Drake Dyban -: Thank you, you drunk and cowardly infantile asshole , for putting the lovely scrapes and hatchet marks from your cardoor onto my cardoor.
Thank you, you drunk and cowardly infantile asshole, for putting the lovely scrapes and hatchet marks from your cardoor onto my cardoor.
Flu in pregnant women causes higher risk for infantile autism.
There was no link between a range of infections in pregnancy and the chance a baby would develop autism or infantile autism , according to the report (photograph by
Flu in pregnant women causes higher risk for infantile autism .
That's a wrap, as well as infantilism .
Political infantilism of the highest order.
'Return of Jezebel James' infantile.
Infantile fibrosarcoma of the maxillary sinus : Significant response.
But first we have to stop infantilizing seniors and using guilt in lieu of reasoned analysis.
Sixty-eight years later, her "Radio Club Infantil" is still on the air, making the 97-year-old Venegas the globe's longest-running radio personality, according to Guinness World Records.
Last month, FOX News published a very strange article on cruel and infantile pranks you can pull on your significant other in order to spice up your relationship.
It is also the film that launched Quentin Tarantino's brilliantly infantile oeuvre.
Desciende riesgo de muerte infantil a las 39 semanas de gestación.

In science:

The field of high-energy neutrino astronomy is still in an infantile stage but with a bright future ahead.
Very High Energy Cosmic Rays and Their Interactions