The correct spelling of the phrase "more agnostic" is /mɔːr/ /æɡˈnɒstɪk/. The first part "more" has the /mɔːr/ sound which translates to an "o" sound, while the second part "agnostic" starts with the /æ/ sound which translates to an "a" sound. Agnostic is a term used to describe a person who believes that knowledge about the existence of a deity or deities is unknown and cannot be proven. "More agnostic" implies a stronger belief in this concept.
The term "more agnostic" is not a recognized term or phrase in the English language. "Agnostic" is a term used to describe someone who does not claim to know whether or not a god or gods exist. However, if you are referring to the concept of being "more agnostic", it could imply an individual's stance of being even more unsure or undecided about the existence of a higher power.