Top Definition
1. A writer of fictional material, primarily of an experimental or speculative nature.
2. A person so distracted by his or her own imagination, that he or she is said to have his or her head in the clouds.
Ray Bradbury is a first rate fictionaut. The other day, I nearly walked into a stop sign; I am such a fictionaut.
by A Lux October 18, 2005
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