Added 9 October 2026 bloodcurdling adjective Categories: Describing WordsRare Words adjective ! Definition from WordNet 3.1, Princeton University. More about bloodcurdling at Wordnik → Where our words come from → Extremely alarming. Related Words: hair-raisingalarmingnightmarishblood-curdlinghorribleshockclawingbuttock-clenchingnerve-shreddingthunderstrikinghorrifiedwhite-knuckle Back to today's word