陳(ひ)ねるto age

る-verb, Intransitive verb

1. 1.

   to age, to get old, to go stale

   Usually written using kana alone

2. 2.

   to be too grown-up (for one's age), to be precocious

   Usually written using kana alone

3. 3.

   to become twisted, to become warped, to become perverse

   Slang, Usually written using kana alone