nubilate
/njuːˈbaɪleɪt/Definitions
1. verb
to reduce the amount or intensity of something, especially to make it less impressive or attractive
“The politician tried to nubilate the opponent’s campaign promises by pointing out their unrealistic nature.”
2. verb
to deprive of or remove the nobility of a person or their title
“The monarch decided to nubilate the nobleman’s title due to his involvement in treasonous activities.”