The antonyms for the word "more untempered" include refined, tempered, polished, civilized, and cultured. While untempered means uncontrolled or not subdued, refined implies attention to detail and sophistication. Tempered suggests balance and moderation, while a polished person is smooth and elegant in their behavior. Cultured depicts a person who has extensive knowledge of arts and literature, and civilized implies socially acceptable behavior. Therefore, when looking for the opposite of "more untempered," one should use these words that contrast it in meaning, and which describe someone who is refined, polished, and cultured with controlled behavior.