excruciatingly

英[ɪk'skruːʃieɪtɪŋli] 美[ɪk'skruːʃieɪtɪŋli]
  • adv.极痛苦地;极其地
Adverb:
  1. in a very painful manner;

    "the progress was agonizingly slow"

【邻近词汇】