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infantile

infantile

21 6.5
Acting like a young child in a silly or immature way
  • adjective
  • /ˈɪnfənˌtaɪl/
translation icon : infantil
  • The way she sulks when things don't go her way is very infantile.
  • infantile narcissism
  • infantile dependency
  • infantile fantasies

And here is the most infantile, impotent move.

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Examples

  • - It's an infantile way for a man to spend his adult years.

  • I'm just saying here's an example of a very achieved person who's been living an infantile philosophy.

  • And so the little kid in this infantile kind of way figures we're going to have it out with dad.

  • It's just all so infantile.

  • And we are a society that embraces infantile behaviour.

  • When Frost could not have his way, he sometimes regressed to infantile behavior.

    Academic text (1996)
  • The whole thing is so patently infantile, so incongruous with reality.

  • He has this infantile ego that needs constant feeding.

  • Not only is that just infantile and immature and ridiculous, the lack of ethics in this White House is jaw-dropping.

  • Einstein said that "nationalism is an infantile disease; it is the measles of the world."

    Blog text (19)

Synonyms

childish
vsinfantile
141 2.8

Acting like a child instead of like an adult

is stronger, meaning very childlike rather than only immature
immature
vsinfantile
108 3.5

Behaving like a child in a way that shows little emotional growth

is stronger, meaning very childlike rather than simply not developed
juvenile
vsinfantile
61 4.2

Acting in an immature or childish way

is stronger, meaning very childlike and like a young child
puerile
vsinfantile
  • Offensive
8 9.1

Seeming childish and showing little maturity

is more about very childlike behavior like a young child
babyish
vsinfantile
3 3.0

Acting or speaking like a baby and seeming childish

is more extreme, showing very childlike immaturity
kiddish
vsinfantile
  • Archaic
7.5

Acting like a child in a simple, not serious way

is stronger, meaning very childlike and more immature

Antonyms

199 3.3

Behaving like an adult and thinking sensibly

Compounds

1 6.5

A contagious disease caused by a virus that often makes children unable to move parts of their body

An inherited disease where fat builds up in the brain and causes early death in children

8.2

A serious childhood condition in which a child avoids social contact and speaks little

9.9

An emotional problem where a person stops growing emotionally and acts like a child

How Childish

puerile
  • Offensive
8 9.1
infantile
21 6.5
childish
141 2.8
juvenile
176 4.2

Surface Forms

infantile positive

Morphology

infantile = infant (semi-transparent) = infant + ile

The adjective is formed from 'infant' + '-ile', but the sense 'very childish' is a figurative, pejorative extension not fully predictable for all learners.

Etymology

The word infantile comes from the Latin word infans, which meant 'baby' and is the same root as infant. So calling someone's behavior infantile is to say it is like a baby's actions, meaning immature and childish.