众多 (zhòng duō) is a formal adjective meaning 'numerous, many', used for a large number of countable things (people, choices, aspects) in written Chinese. It differs from 大量 (dàliàng), which emphasizes a large amount or quantity (e.g., 大量资金), and from 广大 (guǎngdà), which stresses a wide extent or broad audience (e.g., 广大观众).