fantastic

Adjective

• extravagantly fanciful in design, construction, appearance
  • Gaudi's fantastic architecture
    

• existing in fancy only
  • fantastic figures with bulbous heads the circumference of a bushel- Nathaniel Hawthorne
    

• fanciful and unrealistic; foolish
  • a fantastic idea of his own importance
    

• extraordinarily good or great; used especially as intensifiers
  • a fantastic trip to the Orient
    
  • the film was fantastic!
    
  • a howling success
    
  • a marvelous collection of rare books
    
  • had a rattling conversation about politics
    
  • a tremendous achievement
    

• ludicrously odd
  • Hamlet's assumed antic disposition
    
  • fantastic Halloween costumes
    
  • a grotesque reflection in the mirror
    

Related words

• Synonyms: 
  fantastical , wild , antic , grotesque