Synonyms of the word 
BLOODCURDLING → ALARMING - HAIR-RAISING - NIGHTMARISH
bloodcurdling
- adj. Causing great horror or terror.
alarming
- v. present participle of alarm.
- adj. causing apprehension, fear or alarm; frightening.
hair-raising
- adj. Causing fear; scary.
nightmarish
- adj. Resembling a nightmare.
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