How to use 勝手に (かってに)

Meaning of 勝手に

The Japanese verb "勝手に" (かってに, katteni) can have various meanings depending on the context in which it is used. Here's a list of its primary meanings along with examples:

  1. On one's own / Without permission: Indicates an action done independently or without consulting others.
    • Example: 彼は勝手にドアを開けた。
    • Translation: He opened the door on his own.
  2. Selfishly / Arbitrarily: Can imply acting for one's own benefit or in a manner disregarding others' feelings or rules.
    • Example: 彼女は勝手に予定を決めた。
    • Translation: She decided the schedule arbitrarily.

Learn 勝手に from Full Metal Alchemist Anime