The word "most obliquitous" implies a certain level of indirectness, evasion, or ambiguity. Its antonyms, on the other hand, consist of words that convey direction, clarity, and straightforwardness. Some possible antonyms for "most obliquitous" include terms such as "direct," "straightforward," "blunt," "frank," "candid," "unambiguous," "open," "forthright," and "transparent." These words all share the common trait of providing a clear and unambiguous message, without any hidden agendas, subtleties or insinuations. Using these antonyms instead of "most obliquitous" can help to eliminate any potential misunderstandings or misinterpretations, and make communication more effective and efficient.