Reverse Dictionary: FANTASTIC

ADJECTIVES
► ALL-TIME memorably good; absolutely first-rate; great, fantastic, wonderful → 1945 Amer. sl., esp. surfing usage
► AWESOME excellent, fantastic, great → 1979 colloq.
► BOTTLER extremely good; excellent, great, fantastic → 1938 Aust. & NZ sl.
► DEADLY excellent; fantastic; brilliant; cool → 1960s sl. Aust. sl.
► FANTABULOUS very good, fantastic, fabulous → 1958 US sl.
► FANTASQUE fanciful, fantastic; curious → 1701
► KICK-ASS fantastic, excellent, thrilling → 1980 US sl.
► KICKSEY-WINSEY fantastic, whimsical, erratic → c1650 obs.
► KWAAI excellent, great, fantastic; cool → 1974 S. Afr. sl.
► LOVELY JUBBLY excellent, fantastic → 1992 Brit. colloq.
► QUISTICAL odd, queer, fantastic, eccentric → 1822 Sc.
► RAGING of a party, a drug: wild, fantastic, very enjoyable → 1980s US students’ & Teen sl.
► WICKED really good, fantastic, excellent, first-rate, wonderful; great; deeply satisfying → 1920 sl., orig. US

INTERJECTIONS & PHRASES
► AWESOME! expressing enthusiastic approval; excellent, fantastic, amazing → 1984 colloq.
► JOLLY D! wonderful, excellent, fantastic → 20C juvenile usage

NOUNS
► FINGLE-FANGLE a trifle; a thing of no importance; something whimsical or fantastic → 1678 obs.
► GREATEST THING SINCE THE WHEEL something fantastic; something serving of hearty approval →1969 US Air Force Academy cadets’ sl. (Bk.)
► SEVEN-PLY GASSER something that is fantastic, better than a ‘gasser’ → 1960s Amer. sl.

NOUNS – PERSON
► MIND-BLOWER an incredible or fantastic person → 1968 sl. 

VERBS
► FANTASTICATE to frame fantastic notions → 1880
► FANTASTICIZE vb. to throw oneself into fantastic or strange attitudes → 1603 obs.