From Longman Dictionary of Contemporary Englishpetty bourgeoisˌpetty ˈbourgeois (also petit bourgeois) / $ ˌ...ˈ./ adjective 1 SSCLASS IN SOCIETYpaying too much attention to things such as social position, money, and possessions – used to show disapproval2 SSCLASS IN SOCIETYbelonging to the group of lower middle class people —petty bourgeois noun [countable]
Examples from the Corpus
petty bourgeois• I also found it hard to deal with the petty bourgeois outlook of all but a few of the girls at that private school. 