Definition of flare-up noun from the Oxford Advanced American Dictionary

     

    flare-up

     noun
    noun
     
    [usually singular]
     
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  1. 1a sudden expression of angry or violent feeling synonym outburst a flare-up of tension between the two sides
  2. 2(of an illness) a sudden painful attack, especially after a period without any problems or pain
  3. 3 the fact of a fire suddenly starting to burn again more strongly than before a flare-up of the brushfires
See the Oxford Advanced Learner's Dictionary entry: flare-up

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