/ fænˈtæstɪk; NAmE / adjective
1.
( informal ) extremely good; excellent
SYN great , brilliant :
a fantastic beach in Australia
a fantastic achievement
The weather was absolutely fantastic.
You've got the job? Fantastic!
➡ note at great
2.
( informal ) very large; larger than you expected
SYN enormous , amazing :
The response to our appeal was fantastic.
The car costs a fantastic amount of money.
3.
(also less frequent fan·tas·tic·al ) [ usually before noun ] strange and showing a lot of imagination
SYN weird :
fantastic dreams of forests and jungles
4.
impossible to put into practice :
a fantastic scheme / project
► fan·tas·tic·al·ly / fænˈtæstɪkli; NAmE / adverb :
fantastically successful
a fantastically shaped piece of stone
••
WORD ORIGIN
late Middle English (in the sense unreal ): from Old French fantastique , via medieval Latin from Greek phantastikos , from phantazein make visible, phantazesthai have visions, imagine, from phantos visible (related to phainein to show). From the 16th to the 19th cents the Latinized spelling phantastic was also used.