1. Slang for lupus erythematosus or lyme disease, and other diseases that are difficult to diagnose correctly. 2. Former colloquial name for syphilis because the rash of secondary syphilis mimics other diseases.

GREAT IMITATOR: "The great imitator is a slang term for Lyme disease."
Cite this page: N., Pam M.S., "GREAT IMITATOR," in, May 11, 2013, (accessed September 26, 2021).