middle class

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the social class between the lower and upper classes (Freq. 9)
• Syn:
bourgeoisie
• Hypernyms:
class, stratum, social class, socio-economic class
• Hyponyms:
petit bourgeois, petite bourgeoisie, petty bourgeoisie
• Member Meronyms:
bourgeois, burgher