Definition of Upton Sinclair in English :
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Upton Sinclair meaning in English
Meaning of Upton Sinclair in English
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Upton Sinclair
see synonyms of upton sinclairNoun
1. sinclair, upton beall sinclair, upton sinclair
United States writer whose novels argued for social reform (1878-1968)
WordNet Lexical Database for English. Princeton University. 2010.