The word "most unarticulate" can be a bit cumbersome in formal writing, and may be replaced with simpler and more graceful synonyms that convey the same meaning. Some of the most widely used alternatives include inarticulate, unintelligible, incomprehensible, muddled, garbled, unclear, vague, confusing, and indistinct. These words all refer to a person's inability or difficulty in expressing their thoughts or feelings clearly and coherently. It is essential to choose the appropriate synonym depending on the context and tone of the writing. By using synonyms, one can avoid repetitive language and communicate more effectively.