a visionary or dreamer.
Origin of fantast
1580–90; < German, variant of Phantast < Greek phantastḗs boaster; modern sense by association with fantastic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a dreamer or visionary
Word Origin for fantast
C16: from German Phantast, from Greek phantastēs boaster; English word influenced in meaning by fantastic
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