fantabulous

[fan-tab-yuh-luh s]

Origin of fantabulous

1955–60; blend of fantastic and fabulous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for fantabulous
adj.

1959, creative merger of fantastic and fabulous.

Online Etymology Dictionary, © 2010 Douglas Harper