Sin·clair (sĭn-klâr, sĭng-), Upton Beall 1878-1968.
American writer and reformer. His concern with social justice is apparent in his novels, including The Jungle (1906) and Boston (1928).
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.