TOP

Definition of extra- prefix from the Oxford Advanced American Dictionary

     

    extra-

     prefix
    prefix
    NAmE//ˈɛkstrə//
     
    (in adjectives)
     
    jump to other results
  1. 1outside; beyond extramarital sex extraterrestrial beings
  2. 2(informal) very; more than usual extra-thin extra-special
See extra- in the Oxford Advanced Learner's Dictionary