What does 交際 mean?
交際 is a Japanese noun meaning “friendship, association, acquaintance” in English. It can also be translated as “(romantic) involvement” depending on context. It is written as 交際 in kanji, こうさい in hiragana, and kousai in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
その男は妻と交際し始めた。
The man took up with his wife.