Blue blooded is an adjective used to describe people who belong to the higher social class or aristocracy. The antonyms for blue blooded can be those that describe individuals who belong to lower social classes or those who do not have an inherited wealth or status. For instance, the antonyms for blue blooded can be words such as common, ordinary, middle-class, proletariat or plebeian. These terms represent a different societal standing and suggest that somebody may have been born into a more modest social class. While blue blooded is usually seen as a positive attribute, there is no shame in belonging to a different class and these antonyms reflect that.