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Noun: megastar  'me-gu,staa(r)
Usage: informal
  1. Someone who is dazzlingly skilled in any field
    "She's a real tech megastar, always up-to-date with the latest gadgets";
    - ace [informal], adept, champion, sensation, maven [US, informal], mavin [US, informal], virtuoso, genius, hotshot [informal], star, superstar, whiz [informal], whizz [informal], wizard [informal], wiz [informal]

Derived forms: megastars

Type of: expert

Encyclopedia: Megastar