multitudinous
🇺🇸
/ˌmʌltɪˈtuːdɪnəs/
🇬🇧
/ˌmʌltɪˈtjuːdɪnəs/
very many in number
The museum was filled with a multitudinous collection of ancient artifacts.
博物馆里充满了无数的古代文物。