What does 正式 mean?
正式 is a Japanese noun meaning “official, formal” in English. It is written as 正式 in kanji, せいしき in hiragana, and seishiki in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
彼女の服装は正式なパーティーでは場違いだった。
Her clothes were out of place at a formal party.