ignominious adj.

    1 : marked with or characterized by disgrace or shame : dishonorable
    2 : deserving of shame or infamy : despicable
    3 : humiliating, degrading

ignominiously adverb

Example sentence:

     The director's first film was an ignominious failure, panned by critics and ignored by moviegoers.

     The conspiracy frittered away to an ignominious conclusion. 那个阴谋以可耻的失败而告终。
     He made one mistake and his career came to an ignominious end.