The term "became rancid" refers to the process of food items or ingredients turning sour, stale, or spoiled. The antonyms for this phrase are "fresh," "delicious," and "aromatic." These words signify the opposite of becoming rancid and describe food or ingredients that are still in their prime and have not undergone any decay or spoilage. Moreover, fresh food items are typically healthy, safe for consumption, and full of flavor. In contrast, rancid food is often inedible and poses a health risk. As such, it is essential to ensure that food items are stored properly and consumed before they become rancid.