noun
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a person filled with or motivated by enthusiasm; fanatic
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archaic a religious visionary, esp one whose zeal for religion is extravagant or unbalanced
Other Word Forms
- antienthusiast noun
Etymology
Origin of enthusiast
First recorded in 1600–10; from Greek enthousiastḗs “inspired person, possessed person,” from enthousí(a) “possession by a god” ( enthusiasm ) + -astēs -ast ( def. ) (variant of -istēs -ist after i )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A railway enthusiast at the station told AFP he was taking the train only one stop and would disembark at Tianjin.
From Barron's • Mar. 12, 2026
The house was bought by historic-home enthusiast Tina Trahan and her husband Chris Elbrecht, former chief executive of HBO.
From Los Angeles Times • Mar. 4, 2026
Heated Rivalry has an undeniable kinship with Asian Boys' Love stories, says Anna, a BL enthusiast since she was a teen.
From BBC • Feb. 26, 2026
Reid, an ice hockey enthusiast, started writing fan fiction in the sport romance genre before her stories became bestsellers.
From BBC • Feb. 17, 2026
The teacher is an enthusiast, he’s hopping around at the front of the room, waving his arms and his pointer.
From "Cat's Eye" by Margaret Atwood
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
