Sentence examples for flared up from inspiring English sources

"flared up" is correct and commonly used in written English.
It means to suddenly become angry, upset, or intense. Here are some examples of how it can be used: - The argument between the two friends flared up when one accused the other of lying. - The fire flared up again, despite the firefighters' efforts to contain it. - My eczema always flares up in the winter when the weather gets cold and dry. - The political tensions between the two countries flared up, leading to an increase in military activity. - Her temper flared up when her boss criticized her work in front of everyone.