ignominious
adjective literary uk/ˌɪɡ.nəˈmɪn.i.əs/ us/ˌɪɡ.nəˈmɪn.i.əs/
（尤指事件或行为）耻辱的，丢脸的
(especially of events or behaviour) embarrassing because of being a complete failure
an ignominious defeat/failure/retreat 声誉扫地的落败／失败／撤退
Synonyms: disgracefulinglorious shameful