- a sudden outburst of something, especially violence or hostility
noun: flare-up, plural noun: flare-ups
- 1. a sudden outburst of something, especially violence or hostility a flare-up between the two countries
...the season, water kept basically seeping in there and it kept on flaring up," Matsui said through an interpreter. "I kept...
... to overwork；otherwise，it will wind up torturing one’s body with a flare-up pf disorders. 10.The best method to ease the tension is...
... like whirlwinds, just like the image he saw before the headache flared up. So, I suspect that he is suffering from migraine.