- royal or aristocratic descent
WordReference Random House Learner's Dictionary of American English © 2026
blue blood /ˈblu ˌblʌd for 1.; ˈblu ˈblʌd for 2. USA pronunciation n.
WordReference Random House Unabridged Dictionary of American English © 2026- an aristocrat or member of a socially important family:[countable]a resort for all the blue bloods.
- aristocratic background:[uncountable]the blue blood of royalty.
blue blood
(blo̅o̅′ blud′ for 1; blo̅o̅′ blud′ for 2),USA pronunciation
blue′-blood′ed, adj.
- an aristocrat, noble, or member of a socially prominent family.
- aristocratic, noble, or socially prominent lineage or relatives:They boasted a lineage of pure blue blood.
- translation of Spanish sangre azul. See sanguine, azure 1825–35
Collins Concise English Dictionary © HarperCollins Publishers::
blue blood n
'blue blood' also found in these entries (note: many are not synonyms or translations):