fantastic - definition and synonyms

 
 
adjective 

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/fænˈtæstɪk/
  1. 1
    informal extremely good or pleasant

    It’s a fantastic view from up here, isn’t it?

    You’ve done a fantastic job.

    He looked absolutely fantastic.

    ‘We’re having another baby.’ ‘Fantastic!’

  2. 2
    informal extremely large

    You’ve all put in a fantastic amount of work.

     Synonyms and related words
  3. 3
    formal not practical or sensible

    Where do they get these fantastic ideas?

  4. 4

    fantastic

    or

    fantastical

    mainly literary strange or imaginary