Definition of ME noun from the Oxford Advanced Learner's Dictionary

     

    ME

     noun
    noun
    BrE BrE//ˌem ˈiː//
     
    ; NAmE NAmE//ˌem ˈiː//
     
     
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  1. 1(British English) (also chronic fatigue syndrome North American English, British English) [uncountable] the abbreviation for myalgic encephalomyelitis (an illness that makes people feel extremely weak and tired and that can last a long time) She’s had ME for six months.
  2. 2(North American English)medical examiner