What does 説教 mean?
説教 is a Japanese noun meaning “sermon; preaching; homily” in English. It can also be translated as “remonstration” depending on context. It is written as 説教 in kanji, せっきょう in hiragana, and sekkyou in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
彼女に説教しても無駄である。
There is no use talking to her.