Definition of "Sim"

Sim¹

proper noun
1. A male given name, diminutive of Simon and Simeon.
  Quotations
  The other [witness] was one Sim Doolittle, the fish hawker from Allerfoot, jogging home in his fish cart from Gledsmuir fair.
  1902, John Buchan, The Outgoing of the Tide
2. A Scottish surname transferred from the given name derived from the given name.
3. A surname from Hokkien.
4. A surname from Korean.

Sim²

noun
plural Sims
1. A Simeonite (follower of Charles Simeon).
2. (by extension) A person with Methodist tendencies.

Sim³

noun
plural Sims
1. (video games) Any of the characters in the video game The Sims, which simulates aspects of a human social environment.