fan·​tast ˈfan-ˌtast How to pronounce fantast (audio)
: a fantastic or eccentric person

Example Sentences

yet another short-lived utopian community that was the brainchild of a naive fantast
Recent Examples on the Web Don't arraign the liars and fantasts who brought on the ruin that is the Iraq war. Charles P. Pierce, Esquire, 13 Mar. 2013

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fantast.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


borrowed from New Latin phantasta, borrowed from Greek phantastḗs "ostentatious person, boaster," agent noun derivative corresponding to phantázein "to make visible, present to the eye or mind, (middle voice) place before one's mind, picture to oneself, imagine" — more at fantasy entry 1

Note: Since ca. 1800 the immediate source of this noun is German Phantast, which is either adopted from Greek or formed directly from Phantasie fantasy entry 1 by analogy with other Greek derivatives.

First Known Use

1588, in the meaning defined at sense 1

Time Traveler
The first known use of fantast was in 1588

Dictionary Entries Near fantast

Cite this Entry

“Fantast.” Dictionary, Merriam-Webster, Accessed 1 Feb. 2023.

Medical Definition


fan·​tast ˈfan-ˌtast How to pronounce fantast (audio)
: one who indulges in fantasies and daydreaming
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