Presumptuous, above oneself, self-important; arrogant, snobbish, haughty.
Acting snobbish, arrogant, or superior; uppity; perceived to be trying to associate with a higher social class.
Exceeding one's station or position, assuming prerogatives to which one is not entitled.
Affecting white middle-class values, especially characterized by an air of superiority; conceited, ‘stuck-up’.
‘had a witty but overweening manner’; ‘no idea how overweening he would be’; ‘getting a little uppity and needed to be slapped down’;
‘an uppity MP and his lady wife’;