- 1a sudden expression of angry or violent feeling synonym outburst a flare-up of tension between the two sides
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
- 2(of an illness) a sudden painful attack, especially after a period without any problems or pain
- 3the fact of a fire suddenly starting to burn again more strongly than before a flare-up of the brushfires
Check pronunciation: flare-up