Most agreed is a term used to describe something that is widely accepted or acknowledged. However, there are several antonyms for the word most agreed, including disputed, disagreed, dissenting, uncertain, and disapproved. When something is disputed, it means that it's controversial, uncertain, and not widely accepted. When something is disagreed, people disagree with each other or have different opinions. Opposite of most agreed, when something is dissenting, it means it's different from the majority and goes against what is widely accepted. Lastly, when something is disapproved, it means it's not acceptable or has been rejected. In conclusion, these antonyms provide a spectrum of possibilities for when something is not "most agreed.