What does ～内 mean?
～内 is a Japanese suffix meaning “within ~” or “inside ~ (suffix)” in English. It is written as ～内 in kanji, ～ない in hiragana, and ～nai in romaji. This word is part of JLPT N3 vocabulary.
NoteSuffix for inside a limit or place (期限内 = within the deadline, 社内 = in the company).
Example sentences
期限内にレポートを出してください。
Please hand in the report within the deadline.
会場内は禁煙です。
Smoking isn't allowed inside the venue.