The word "more unsentimental" suggests a lack of emotional attachment or sentimentality. Its antonyms would, therefore, imply the opposite: a deep emotional connection or sensitivity. Some antonyms for "more unsentimental" could include empathetic, compassionate, sentimental, emotional, caring, and loving. These words suggest a person who is highly attuned to their own emotions and those of others. They empathize with others' experiences and have a genuine desire to comfort and understand them. Therefore, these antonyms convey the opposite meaning of the initial phrase, implying a highly emotionally aware and empathetic individual.