flare up

Definitions of flare up
  1. verb
    ignite quickly and suddenly, especially after having died down
    “the fire flared up and died down once again”
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    types:
    inflame, kindle
    catch fire
    type of:
    ignite, light
    cause to start burning; subject to fire or great heat
  2. verb
    erupt or intensify suddenly
    synonyms: break open, burst out, erupt, flare, irrupt
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    type of:
    deepen, intensify
    become more intense
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