The term "more monomaniacal" refers to an obsessive and narrow focus on a particular subject. In contrast, the antonyms of this phrase include words like balanced, versatile, and diverse. These words suggest a broader perspective and an ability to multitask, as opposed to being fixated on a single theme. Other antonyms for "more monomaniacal" include indifferent, disinterested, and unenthusiastic. These words suggest a lack of passion, commitment, or interest toward a particular subject. Overall, the antonyms for "more monomaniacal" describe individuals who are well-rounded and adaptable, with a capacity for creativity and flexibility in their thinking.