flare-up

Noun

Synonyms: outburst burst

WordNet 3.0

a sudden intense happening“an outburst of heavy rain”“a burst of lightning”Synonyms: outburst burst

Flare-up \Flare"-up`\, n.

1.A sudden burst of anger or passion; an angry dispute. [Colloq.] [1913 Webster]

2.A sudden bursting into flame; a flaring. [Webster 1913 Suppl.]