The phrase "one track mind" usually means someone who is focused or obsessed with only one thing, denying other thoughts or ideas that don't align with their interests. There are a few antonyms, or opposite meanings, for the phrase "one track mind." These include: versatile, adaptable, broad-minded, open-minded, experimental, eclectic, receptive, and flexible. For instance, someone who is versatile is capable of adjusting to multiple roles, paths, or interests. On the other hand, an open-minded individual is receptive to multiple ideas, perspectives, and opinions, leaving space for exploration and discovery. In summary, having a one-track mind may bring clarity, but it also has limitations, and exploring different paths might enrich life experiences.