Describes a child who acts or speaks in a way that seems older than their age, often with a slightly amused or critical tone.
precocious child
Refers to a child who is precocious; often used affectionately or with mild surprise.
That child is precocious and talks like an adult.
A precocious elementary school student was reading a difficult book.
My daughter is a little precocious child and always wants to join adult conversations.
Means 'to seem mature' or 'to act like an adult'; similar to おませ but can be used for older children or teenagers, and does not necessarily carry the 'precocious' nuance.
Usually written in kana; the kanji forms 御ませ and お老成 are rare and may not be recognized by many readers.
Katakana spelling sometimes used for emphasis or in casual writing.
Rare kanji spelling; the 御 is honorific and ませ is ateji.
Rare kanji spelling using 老成 (maturity); not commonly used.
Derived from the verb ませる (to be precocious) with the honorific prefix お. The kanji spellings are ateji and rarely used.