If you're looking for a different way to say "more unarticulate," there are several synonyms you might consider. Some of these options include "less eloquent," "less articulate," "less expressive," "less coherent," and "less fluent." All of these terms indicate a difficulty with communication or a lack of clarity in speech. Depending on the specific context in which you need a synonym for "more unarticulate," one of these alternatives may be a more effective choice. For example, if you want to describe someone who stumbles over their words or struggles to find the right phrasing, "less eloquent" might be the best choice.