flare-up noun 3flare up verb 3forms 5 noun3 •A sudden outbreak, outburst or eruption (originally of flame, but now used more generally of any violent activity or emotion).But what I do think is that there's likely to be a regular flare-up soon. And how can one tell where that may end? If only I could get Ambrose to take me away somewhere! But he won't budge. — 1933 •A sudden intensification in activity. •An inflammation such as of tendons (tendonitis) or joints (osteoarthritis). flare up verb3 •To burn brightly again.The fire flared up after we added more wood to it. •To become more intense suddenly.Reports indicate that tensions have flared up in the Middle East again.The pain in my shoulder flares up when I turn my head. •To burst out suddenly, as in anger.The insult made him flare up. formsflared up · flaring up · flares up · flare ups · flare-ups
