unmitigated
adjective [ usually before noun ] uk/ʌnˈmɪt.ɪ.ɡeɪ.tɪd/ us/ʌnˈmɪt̬.ə.ɡeɪ.t̬ɪd/
（常指坏事或不成功的事）完全的，彻底的，十足的
complete, often describing something bad or unsuccessful that has no good or positive points
The whole venture has been an unmitigated disaster. 整个经营项目彻底失败了。