noun, noun which may take the genitive case particle 'no', na-adjective
overreliance on others; excessive babyishness
Describes a state or behavior of being overly dependent, clingy, or acting like a spoiled child. Often used with する to mean 'to act spoiled'.
I can't stand his excessive babyishness anymore.
You should fix your spoiled attitude.
spoiled person; person who acts like a baby
Refers to a person who behaves in a spoiled, dependent manner. Can be used as a mild insult.
That guy is just a spoiled brat.
Derived from the verb 甘える (to act spoiled) with the suffix ったれ, which adds a derogatory or emphatic nuance. The exact derivation of ったれ is uncertain, but it may be related to a contracted form of たる (足る) or a dialectal emphatic suffix.