The antonyms for the word "more unexclusive" can be exclusive, restricted, limited, controlled, or narrow. The term "unexclusive" means that something is not limited or restricted in access, use, or availability. However, if we are looking for antonyms, we seek words that describe exactly the opposite situation. Therefore, if an object or thing is exclusive, it means it is not accessible to everyone or commonly available. Similarly, if something is limited or controlled, it is not open to all, and it has restrictions. Therefore, these antonyms provide a contrast to "more unexclusive," which means greater openness or availability.