The antonym of "bursted into flames" would be "extinguished." When a fire is extinguished, it means that it has been put out, quenched, or doused. It is the opposite of a flame bursting or igniting, as it means that the fire has been snuffed out. There are many ways to extinguish a fire, including using water, fire extinguishers, or sand. It is important to regularly check fire extinguishers and smoke detectors in case of a fire emergency. Knowing the antonym for "bursted into flames" is crucial in understanding both the positive and negative aspects of fire.