'bloodcurdling' definitions:

Definition of 'bloodcurdling'

From: WordNet
adjective
Extremely alarming [syn: bloodcurdling, hair-raising, nightmarish]

Definition of 'bloodcurdling'

From: GCIDE
  • bloodcurdling \blood"curd*ling\ adj. causing sudden intense fear due to an apprehension of imminent bodily harm, to oneself or others. Awakened by a bloodcurdling scream from right outside her window
  • Syn: hair-raising, nightmarish. [WordNet 1.5]