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English definition of “fantastic”

fantastic

adjective     /fænˈtæstɪk/
GOOD informal A2 very good: He looks fantastic in that suit. I've had a fantastic time.Extremely goodInformal words for goodGood, better and bestQuite good, or not very good
LARGE informal A fantastic amount or number of something is very large: They're making fantastic amounts of money.EnormousBig and quite big
STRANGE very strange and probably not true: fantastic stories about monsters and witchesStrange, suspicious and unnatural
(Definition of fantastic adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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