What does 勝手に mean?
勝手に is a Japanese adverb meaning “arbitrarily,” in English. It is written as 勝手に in kanji, かってに in hiragana, and katteni in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
何でも好き勝手にはできないんだからね。
You can't have your way in everything.