What does 大勢 mean?
大勢 is a Japanese noun meaning “great number of people” in English. It can also be translated as “in great numbers” depending on context. It is written as 大勢 in kanji, おおぜい in hiragana, and oozei in romaji. This word is part of JLPT N5 vocabulary.
Example sentence
そこには大勢の人がいた。
There was a large crowd there.