"Most closedup" is not a correct word in English. The correct form should be "most closed-up". The hyphen between "closed" and "up" indicates that they form a compound adjective. The IPA phonetic transcription of "closed-up" is /kləʊzdʌp/. The "cl" and "d" sounds in "closed" are both voiceless consonants, while the "z" sound in "closed" and the "d" sound in "up" are voiced consonants. The stressed syllable is the first syllable, "closed".
"Most closed up" is a comparative phrase used to describe an object, space, or individual that displays the greatest degree of guardedness, isolation, or secrecy. It refers to a state where something or someone is significantly more closed or inaccessible compared to others.
When applied to an object or space, "most closed up" implies a physical enclosure that is tightly sealed or shut off from the outside world, significantly limiting access or visibility. This could refer to a closed-up house or building that has minimal windows or entrances, lacks openness, or is fortified against external entry.
When applied to an individual, "most closed up" characterizes someone who exhibits extreme reserve, secrecy, or emotional withdrawal. Such individuals may be less inclined to express their thoughts or feelings openly, preferring to keep them concealed or inaccessible. They may be guarded and display a reluctance to engage in meaningful conversations or share personal information with others.
Overall, "most closed up" signifies the maximal level of closure, isolation, or secrecy in relation to a particular context. It emphasizes the extent to which an object, space, or individual is closed off, isolated, or unwilling to disclose information or engage with others.