The antonyms for the word "more unconvinced" can be "convinced," "persuaded," "certain," "assured," and "confident." If a person is convinced, they have found enough evidence or reasoning to believe something to be true. Being persuaded means that someone has been able to convince or influence one's thoughts or actions. Being certain means having no doubt or having complete conviction in something. If one is assured, they have received guarantees or promises from someone that alleviate their doubts. Finally, being confident means having a strong belief in oneself and one's abilities. These antonyms offer alternative ways of expressing one's beliefs and thoughts without expressing doubt or uncertainty.