IPA: /ˌæntiˈbʊrʒwɑ/
KK: /æntiˈbʊrʒwɑ/
Opposed to the middle class or capitalist society, often in a critical or rebellious way.
The artist's work was deeply antibourgeois, challenging the values of mainstream society.
Comparative: more antibourgeois
Superlative: most antibourgeois
Antibourgeois is formed from "anti-" (meaning against) and "bourgeois" (from Old French *burgeis*, meaning townsman or middle class). The term describes a stance or attitude that is against the bourgeoisie or middle-class values.
Think of being 'against' ('anti-') the 'middle class' ('bourgeois') — that's what antibourgeois means.