racking adj. nerve-wracking, harrowing, agonizing, distressing, trying, vexing, vexatious, troublesome, worrisome, irksome, irritating Waiting for the names of the survivors was the most nerve-racking experience of my life
NERVE
Meaning of NERVE in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012