[ 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 formsan·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

Word Origin and History for enthusiast



1560s, pejorative, "one who believes himself possessed of divine revelations or special communication from God," from Greek enthousiastes "a person inspired," from enthousiazein (see enthusiasm). General sense (not always entirely pejorative) is from mid-18c.

Online Etymology Dictionary, © 2010 Douglas Harper