Most fleeceable refers to someone who is easily manipulated or deceived. Antonyms for this word include discerning, shrewd, astute, clever, and wise. These individuals are not easily fooled and can make informed decisions based on their judgement and experience. Additionally, words such as critical, skeptical, and cautious also serve as antonyms of the term most fleeceable. People who possess these qualities tend to ask probing questions and scrutinize things closely before making any conclusions. Thus, it is essential to be mindful of those seeking to fleece you, and to identify those who are discerning so that you can benefit from their wisdom and experience.