英汉词典

1. 兴旺；繁荣；昌盛；成功
    If people or businesses prosper, they are successful and do well.

prosper的反义词

    e.g. The high street banks continue to prosper...
           商业街上的银行仍旧一派繁荣景象。
    e.g. His teams have always prospered in cup competitions.
           他的队伍在杯赛上总是成绩不俗。