Synonyms for Curdle the blood:

• v.

  •frighten (verb)
  • unhinge,
  • faze,
  • terrify,
  • discourage,
  • startle,
  • cow,
  • agitate,
  • dishearten,
  • dismay,
  • demoralize,
  • scare off,
  • chill to the bone,
  • scare away,
  • horrify,
  • unnerve,
  • appall,
  • bulldoze,
  • intimidate,
  • awe,
  • disburb,
  • disconcert,
  • stiff,
  • strike terror into,
  • panic,
  • affright,
  • chill,
  • make blood run cold,
  • alarm,
  • disquiet,
  • make teeth chatter,
  • terrorize,
  • repel,
  • astound,
  • deter,
  • perturb,
  • daunt,
  • scare to death,
  • discomfort,
  • browbeat,
  • petrify.
  •scarify (verb)
  • scare,
  • silly.

• Other synonyms:

  •frighten
  • stiffs,
  • stiffed,
  • scarify,
  • chilled to the bone,
  • scared to death.

Antonyms for Curdle the blood:

• v.

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