Synonyms for Sinclair (same or very similar meaning)
WordNet sense 1 (United States writer whose novels argued for social reform (1878-1968)):
Upton Beall Sinclair, Upton SinclairWordNet sense 2 (English electrical engineer who founded a company that introduced many innovative products (born in 1940)):
Clive Sinclair, Sir Clive Marles SinclairFrom the ODE community, based on WordNetadd/edit