The antonyms for the word "un-processed" can include "processed," "refined," "purified," "polished," "cooked," "finished," and "prepared." Processed typically refers to food that has undergone some level of processing, such as being frozen or canned. Refined suggests that an element has been purified or made more sophisticated, while polished implies that something has been refined to a high level. Cooked implies that something has been prepared or made edible through cooking, while finished suggests that a task has been completed. Prepared implies that something has been made ready, while unprocessed suggests that something has not undergone any kind of processing at all.