fan·tas·tic
[fan-tas-tik]
ADJECTIVE
1.
conceived or appearing as if conceived by an unrestrained imagination; odd and remarkable; bizarre; grotesque: fantastic rock formations; fantastic designs.
2.
fanciful or capricious, as persons or their ideas or actions: We never know what that fantastic creature will say next.
3.
imaginary or groundless in not being based on reality; foolish or irrational: fantastic fears.
4.
extravagantly fanciful; marvelous.
5.
incredibly great or extreme; exorbitant: to spend fantastic sums of money.
6.
highly unrealistic or impractical; outlandish: a fantastic scheme to make a million dollars betting on horse races.
7.
extraordinarily good: a fantastic musical.
Source: Dictionary.com

www.merriam-webster.com/dictionary/fantastic

Fantastic definition is - based on fantasy : not real. How to use ... See the full definition for fantastic in the English Language Learners Dictionary. fantastic.

www.dictionary.com/browse/fantastic

Fantastic definition, conceived or appearing as if conceived by an unrestrained imagination; odd and remarkable; bizarre; grotesque: fantastic rock formations; ...

dictionary.cambridge.org/us/dictionary/english/fantastic

fantastic meaning: 1. extremely good: 2. strange and imaginary, or not reasonable: 3. very unusual, strange, or unexpected: . Learn more.

www.vocabulary.com/dictionary/fantastic

So when your boss calls your suggestion of work-at-home-in-your-bathrobe- Fridays for the whole office fantastic, be sure you know which one he means.

en.oxforddictionaries.com/definition/fantastic

Definition of fantastic - extraordinarily good or attractive, imaginative or fanciful; remote from reality.

www.urbandictionary.com/define.php?term=Fantastic

The catchphrase of the Ninth Doctor, played by Christopher Eccleston.

www.collinsdictionary.com/us/dictionary/english/fantastic

SYNONYMY NOTE: fantastic implies a lack of restraint in imagination, suggesting that which is extravagantly fanciful or unreal in design, conception, ...

www.wordsmyth.net/?rid=14788

Definition of fantastic. Free online Dictionary including thesaurus, children's and intermediate dictionary by Wordsmyth.

www.macmillandictionary.com/us/dictionary/american/fantastic

Define fantastic (adjective) and get synonyms. What is fantastic (adjective)? fantastic (adjective) meaning, pronunciation and more by Macmillan Dictionary.