Akademik

excruciate

v.tr. (esp. as excruciating adj.) torment acutely (a person's senses); torture mentally.
Derivatives:
excruciatingly adv. excruciation n.
Etymology: L excruciare excruciat- (as EX-(1), cruciare torment f. crux crucis cross)

Useful english dictionary. 2012.