working class

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a social class comprising those who do manual labor or work for wages
- there is a shortage of skilled labor in this field
• Syn:
labor, labour, proletariat
• Derivationally related forms:
proletarian (for: proletariat)
• Hypernyms:
class, stratum, social class, socio-economic class
• Hyponyms:
labor force, labor pool, lumpenproletariat, organized labor
• Member Meronyms:
proletarian, prole, worker