enthusiast: Meaning and Definition of
en•thu•si•ast
Pronunciation: (en-th'zē-ast", -ist), [key]
— n.
- a person who is filled with enthusiasm for some principle, pursuit, etc.; a person of ardent zeal: a sports enthusiast.
- a religious visionary or fanatic.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.