blood

1 a group of persons who come from the same ancestor <in his mind, blood came before anything else, and he would not betray his criminal brother to the police> Synonyms family, clan, folks, house, kin, kindred, kinfolk (or kinfolks), kinsfolk, line, lineage, people, race, stock, tribeRelated Words blended family, nuclear family; extended family, household, kith; brood; descendant (also descendent), issue, offspring, progeny, scion, seed; clansman, kinsman, kinswoman, relative; dynastyNear Antonyms ancestry, birth, descent, extraction, origin, pedigree

2 the line of ancestors from whom a person is descended <the language expert was certain that a young woman with such an upper-class accent had to be of royal blood> Synonyms birth, ancestry, bloodline, breeding, descent, extraction, family tree, genealogy, line, lineage, origin, parentage, pedigree, stock, strainRelated Words heredity, succession; family, house; kin, kindred, relations, relatives; raceNear Antonyms offspring; child, heir, inheritor, son, successorAntonyms issue, posterity, progeny, seed

3 the seat of one's deepest thoughts and emotions <in your blood you know this business deal just isn't right> Synonyms belly, core, bone(s), bosom, breast, gut, heart, heartstrings, inner space, inside, quick, soulRelated Words conscience, mind

4 the intentional and unlawful taking of another person's life <blood will always have blood, and so the killing never ends> Synonyms homicide, foul play, murder, rubout, slayingRelated Words chance-medley, killing, manslaughter; bloodshed, butchery, carnage, decimation, destruction, massacre, slaughter; assassination, execution, hit; euthanasia, mercy killing; filicide, fratricide, matricide, parricide, patricide, regicide, uxoricide