I am looking for a word that encapsulates "teenager-ish" - that sort of petulant, contrarian, immature behavior. Any ideas?

  • 1
    teenager-ish seems to fill the bill
    – Oldcat
    Apr 30, 2014 at 18:07
  • 2
    Adolescent behavior? Apr 30, 2014 at 18:09
  • The chosen answer is related to childish more than teenagerish. Or too general. You could just ask childish or immature behavior without mentioning teenagerish at all then.
    – ermanen
    May 1, 2014 at 19:17
  • Related.
    – tchrist
    Jun 7, 2014 at 20:42

4 Answers 4


Juvenile: immature; childish; infantile: His juvenile tantrums are not in keeping with his age.

Sophomoric: 2. childish, adolescent, juvenile.

  • I think sophomoric gets it across very well.
    – SharkCop
    May 1, 2014 at 8:07

I'm not sure it works for English, but in France we refer to that kind of behavior as "adulescent," a neologistic blend of "adult" and "adolescent."

Consider also "teenish," "Peterpannish," "cubbish," and "jejune."

  • I've never seen "adulescent" before, but I like it.
    – Mordred
    Apr 30, 2014 at 21:57
  • Swedish uses fjortis, behaving like a fourteen year old (fjortonåringen)
    – mjsqu
    Apr 30, 2014 at 23:44

Bratty covers the type of traits you're talking about, although it's often used of younger children.


adolescently if you are looking for an adverb

In a adolescent manner; like a teenager.

adolescent itself is an adjective also, meaning:

Characteristic of adolescence; immature: an adolescent sense of humor.

I focused on the word teenager though, because it is different than being child. So teenagerish would be different than childish. Though they are both immature.

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