Synonyms for blood

noun

1. Fluid in the mammalian circulatory system

   lifeblood, heart's blood, vital fluid, vital juices, gore, sanguine fluid, hemoglobin, plasma, serum.

2. Lineage

   stock, ancestry, descent, line; see family 1.

bad blood

have someone's blood on one's head <em>or</strong> hands

in cold blood

1. deliberately, intentionally, willfully, dispassionately; see deliberately.

2. cruelly, heartlessly, ruthlessly; see brutally.

make one's blood boil

make one's blood run cold