The antonyms for the phrase "laid siege to" include "left alone," "ignored," "protected," "spared," "liberated," and "secured." When a place or a person is laid siege to, it is under attack or being surrounded by opposing forces. In contrast, when a place is protected or spared, it is being safeguarded or kept away from any threat. Similarly, when a person is ignored or left alone, they are not bothered or harassed by anyone. The antonym "liberated" means to set free or release from any kind of captivity or control. Finally, "secured" means to make sure that something or someone is safe and protected from any danger.