名詞 millenarian:

1. a person who believes in the coming of the millennium (a time of great peace and prosperity)
   同義詞：millenarist, chiliast

形容詞 millenarian:

1. relating to or believing in the millennium of peace and happiness
   同義詞：chiliastic

mil.le.nar.i.an

adj.（形容詞）
Of or relating to a thousand, especially to a thousand years.
一千（年）的：一千的或與之相關(guān)的，尤指一千年的
Of, relating to, or believing in the doctrine of the millennium.
千禧年的：千禧年信條的、與之相關(guān)的或相信之的
n.（名詞）
One who believes the millennium will occur.
千禧年信奉者：相信千禧年會(huì)復(fù)活的人

【引伸】
mil.lenar.ianism
n.（名詞）