Source : WordNet®

Sinclair
     n 1: United States writer whose novels argued for social reform
          (1878-1968) [syn: {Upton Sinclair}, {Upton Beall
          Sinclair}]
     2: English electrical engineer who founded a company that
        introduced many innovative products (born in 1940) [syn: {Clive
        Sinclair}, {Sir Clive Marles Sinclair}]