Synonyms for Make one's blood run cold:

• v.

  •scarify (verb)
  • bulldoze,
  • browbeat,
  • agitate,
  • appall,
  • perturb,
  • silly,
  • intimidate,
  • astound,
  • cow,
  • dismay,
  • disquiet,
  • unhinge,
  • chill,
  • deter,
  • affright,
  • scare,
  • disconcert,
  • repel,
  • terrorize,
  • dishearten,
  • stiff,
  • faze,
  • discourage,
  • awe,
  • daunt,
  • demoralize.
  •spook (verb)
  • horrify,
  • unnerve,
  • terrify,
  • discomfort,
  • startle,
  • petrify,
  • alarm,
  • panic.

• Other synonyms:

  •frighten
  • scarify.

Antonyms for Make one's blood run cold:

• v.

  • scarify
    boost, inspirit, help, assist, expect, reassure, hearten, embolden, make happy, incite, stimulate, urge, encourage, assure.
  • spook
    soothe, delight, please, calm, comfort.