The word "untamed" refers to something that is wild, undisciplined, or uncivilized. Antonyms for untamed would be words that denote something that is controlled, civilized, or tamed. Some antonyms for untamed include cultivated, disciplined, refined, restrained, and well-behaved. Cultivated suggests a level of sophistication and refinement, while disciplined indicates control and obedience. Refined implies a degree of sophistication, while restrained connotes self-control, and well-behaved suggests obedience or compliance. All of these adjectives denote an orderly or civilized manner or state, in contrast to the wild or unruly sense of "untamed.