Burned off means to undergo combustion or to remove by burning. The antonyms for burned off are terms that describe the opposite of this process. One of the antonyms is preserved, which means to protect from decay or destruction. Another antonym is stored, which involves keeping something in a safe place until it's needed. This is typically used for things like food, resources, or equipment, which are not meant to be burned or destroyed. Another antonym is salvaged, which means to retrieve or save something from destruction or ruin. This is often used to describe the process of recovering materials or resources that would otherwise be burned or discarded.