The word "conflagrates" refers to something that burns intensely and uncontrollably. Antonyms for this word would be words that describe the opposite of burning or fire, such as extinguish, quench, smother, or douse. These words describe the action of putting out a fire, whether by using water, a fire extinguisher, or another method. Other antonyms for "conflagrates" could be words that describe the absence of fire, such as cool, freeze, or chill. These words could describe something that is not heated or does not ignite, such as frozen food or a cold drink.