Dictionary.com
Thesaurus.com

bloodcurdler

American  
[bluhd-kur-dler] / ˈblʌdˌkɜr dlər /

noun

  1. something causing great fright or horror.

    a bloodcurdler of a mystery novel.

Etymology

Origin of bloodcurdler

First recorded in 1885–90; blood + curdle + -er 1

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.