The term 'chowed down' is an idiomatic expression that refers to the act of eating food enthusiastically or hastily. The antonyms of this term could be 'abstain,' 'fast,' or 'refrain.' These antonyms carry the opposite meaning of 'chowed down' as they suggest a lack of consumption or the avoidance of food altogether. Another antonym could be 'savored' as it implies a slower and more mindful approach to eating, rather than devouring food quickly. Additionally, 'nibbled' could be an antonym, as it suggests taking small bites or only eating a small amount of food. Overall, the antonyms of 'chowed down' offer a range of opposites to the idea of eating with great enthusiasm.