[ en-thoo-zee-ast, -ist ]
/ ɛnˈθu ziˌæst, -ɪst /


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.

Origin of enthusiast

1600–10; < Greek enthousiastḗs one inspired, equivalent to enthousi- (see enthusiasm) + -astēs -ast, variant of -istēs -ist after i

Related forms

an·ti·en·thu·si·ast, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for enthusiast

British Dictionary definitions for enthusiast


/ (ɪnˈθjuːzɪˌæst) /


a person filled with or motivated by enthusiasm; fanatic
archaic a religious visionary, esp one whose zeal for religion is extravagant or unbalanced
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012