1. to actively advance or encourage the belief that a particular group, ideology, or nation is superior to others
The organization was accused of attempting to promote supremacy through propaganda.
A organização foi acusada de tentar promover supremacia através de propaganda.
2. to advocate for dominance or superiority of a specific group or system
Extremist groups seek to promote supremacy of their ideology.
Grupos extremistas procuram promover a supremacia de sua ideologia.