The Meaning of katte ni [勝手に] In Japanese

勝手に
かってに
Romaji: katte ni N5

What does 勝手に mean?

Translation and Meaning

without permission, arbitrarily, on one’s own accord, as one sees fit

Definition

What does 勝手に mean? It denotes doing something without permission or outside someone’s authority, often implying you act on your own initiative or according to your own will, typically with a negative or boundary-crossing nuance.

Type

adverbial expression (副詞)

Stroke Order

Meanings

  • Without permission or consent; acting unilaterally
  • Arbitrarily or as one pleases; taking action on one’s own initiative
  • A admonishing tone when someone acts selfishly or intrudes on others’ rights
  • Used in the construction 勝手に〜する to describe unilateral actions

Composition

  • 勝 meaning to win or take control; here it conveys taking charge or acting to suit oneself
  • 手 meaning hand; metaphor for action or manner
  • に particle turning the noun into the adverbial sense

Usage

Used in casual speech to describe actions taken without asking or consent, often conveying disapproval; commonly forms the pattern 勝手に〜する to indicate unilateral action; frequently used in direct admonitions and complaints.
💡 Tips
Mnemonic: imagine holding a winning hand and deciding the course of action for yourself, which captures the sense of 勝手に as doing it your way regardless of others.

Variations

  • 無断で — mudan de, without permission
  • 好き勝手に — suki katte ni, as one pleases
  • 勝手気ままに — katte kimama ni, selfishly or at one’s whim
  • 許可なく — kyoka naku, without authorization

Example Phrases

  • 今日は彼女が図々しく私の席を勝手に使った。
    Kyou wa kanojo ga zuuzushiku watashi no seki o katte ni tsukatta.
    Today she shamelessly used my seat.
    Lista:
    • 今日は (Kyou wa) – direct translation in en
    • 彼女が (kanojo ga) – direct translation in en
    • 図々しく (zuuzushiku) – direct translation in en
    • 私の席を (watashi no seki o) – direct translation in en
    • 勝手に使った (katte ni tsukatta) – direct translation in en
    The word 「図々しく」 is the adverbial form of the adjective 図々しい, used to describe how the action was performed—shamelessly.
  • 彼は勝手に私の机を掃除した。
    Kare wa katte ni watashi no tsukue o sōji shita.
    He cleaned my desk without asking.
    Lista:
    • 彼は (Kare wa) – he
    • 勝手に (katte ni) – on one’s own; without permission
    • 私の (watashi no) – my
    • 机を (tsukue o) – desk
    • 掃除した。 (sōji shita.) – cleaned
    Here, 「勝手に」 means doing something on one’s own initiative or without permission.
勝手に