What does 上級 mean?
上級 is a Japanese noun meaning “advanced level, high grade, senior” in English. It is written as 上級 in kanji, じょうきゅう in hiragana, and joukyuu in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
この辞書は初級者に、いやそれどころか上級者にも役に立つ。
This dictionary is useful to beginners, yes, and to advanced learners.