To exist only in dreams; in a fantasy;
unreal; nonexisting.
Person 1: OMGZ U R SUCHA GAI EMO FGT

Person 2: You have a fantastic sense of creativity.
by lolz11eleven February 27, 2006
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An adjective used by a co-worker constantly because he is unable to use his tiny brain to think of another word.
Dumbass: The position is with company A or company B; is this something you can see yourself doing?

Person A: Yes it is

Dumbass: Fantastic! You will be a fantastic person to work for this fantastic company
by Knob_Handler February 11, 2015
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1. Of or relating to fantasy; unreal.
2. Stange; unconventional.
1. L. Ron Hubbard bases his pseudosciences on fantastical mythology instead of facts and testable sciences.

2. Tim Burton's vivid imagination lends to fantastical stories and films.
by Matt May 31, 2004
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Anything that could be described as fantastic
You might say:

"Check out the fantasticness of that dress!"

instead of

"Check out how fantastic that dress is!"

These things mean the same thing, it's just a good way to make yourself sound a little stupider. Sometimes it's fun to be silly.
by mrword July 24, 2012
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A word used by gay or effeminate guys. It is often used by rather enthusiastic people as well.
That's fantastic!
by YakaKitty April 08, 2010
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