The term "bourgeoisies" refers to the middle class, including individuals who own property and have professional occupations. Antonyms for this word include "proletariat," referring to the working class, "peasantry," referring to rural, low-income farmers, and "underclass," referring to individuals living in poverty or experiencing social exclusion. Other antonyms may include "aristocracy," referring to the wealthiest and most powerful individuals in society, and "nobility," referring to those of high social rank and privilege. Understanding these antonyms can help provide a broader perspective on class and social dynamics in society.