The phrase 'more knownothing' refers to a situation where a person has little or no knowledge about a particular topic. Synonyms for this phrase may include 'ignorant', 'uninformed', 'clueless', 'unaware', 'inexperienced', 'unfamiliar', 'naive', 'green', 'uneducated', 'illiterate' and 'unversed'. Each of these terms suggests a lack of knowledge on a different level, from an absence of basic understanding to a lack of expertise. Using any of these synonyms can help to convey the same meaning as 'more knownothing' in a more precise and nuanced way, depending on the context of the situation.