The word "un-loosed" means to release or set free, and its antonyms are words that have the opposite meaning. The primary antonym for un-loosed is "restrained," which means to hold back or prevent from moving freely. Other antonyms for un-loosed include "confined," "entangled," "captured," "imprisoned," "fettered," and "restricted." These words all suggest a state in which something or someone is held back or kept from moving or acting as they desire. While un-loosed implies freedom, its antonyms denote a state of captivity or constraint. It's essential to understand the antonyms of a word to better comprehend its meaning and usage in a given context.