Most undetailed means that something is lacking in detail or is not well-defined. The antonyms for the word most undetailed could be detailed, defined, specific, clear, distinct, explicit, thorough, and comprehensive. When something is detailed, it means it is described comprehensively and minutely, leaving no room for ambiguity or confusion. A defined concept has clear boundaries and is precisely explained. Something specific is explicitly detailed and distinctly defined. A clear idea or information is easy to understand and not vague or uncertain. A distinct item is easily recognizable and specific. Explicit describes something that is stated clearly and directly, leaving no room for misunderstanding. A thorough analysis is detailed and exhaustive, and a comprehensive study covers all aspects of a subject.