flare up

Found in Anh - Anh (Wordnet)

Definition Intransitive Verb : To suddenly begin, erupt, or intensify, often with anger, violence, or strong emotion. To ignite or blaze up again suddenly after having died down. Usage flare up is a phrasal verb. It is used to describe a sudden, often unexpected, outbreak or increase in intensity. It is commonly used for conflicts, arguments, emotions (like anger or pain), illnesses, and fires....