What does 屋内 mean?
屋内 is a Japanese noun meaning “indoors” in English. It is written as 屋内 in kanji, おくない in hiragana, and okunai in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
屋内にいるのがもったいないぐらいよい天気だった。
It was too nice a day to stay inside.