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1. A flame produced in the breech of a gun by ignition of residual gases.
2. A burst of something aimed back at its origin; a backfire: a flareback of bad publicity.
1. (Firearms, Gunnery, Ordnance & Artillery) a flame ignited in the breech of a gun when the gun is fired, caused by the burning of residual flammable gases
2. US a negative, often unexpected, consequence of an action
3. a brief return to a negative state after a marked improvement