excruciating
adjective uk/ɪkˈskruː.ʃi.eɪ.tɪŋ/ us/ɪkˈskruː.ʃi.eɪ.t̬ɪŋ/
剧烈疼痛的;极痛苦的
extremely painful
an excruciating pain in the lower back 腰部的剧烈疼痛
极其乏味的；极其令人厌烦的；极度尴尬的
extremely boring or embarrassing
excruciating boredom 极其无聊
His confession, when it came, was excruciating. 他终于承认时让人感到十分尴尬。