The phrase "at feet" refers to something that is located near or in close proximity to someone's feet. Antonyms for this phrase could include words like "overhead," "up high," or "above." These words describe locations that are directly opposite to being at someone's feet. Other antonyms may include phrases such as "across the room," "far away," or "distant." These words all indicate that the location in question is not close to the person's feet but rather situated elsewhere. Understanding antonyms for a given word or phrase is crucial for effective communication and can help to expand one's vocabulary.