The concept of "re-decorated" involves making changes to the visual aesthetics of a space. Antonyms, on the other hand, represent a contrasting idea or word that is opposite in meaning to the original term. In the case of "re-decorated," some possible antonyms might include "left undecorated," "unchanged," or "neglected." These words suggest a lack of effort or intention towards creating visual appeal or making changes to the space. Other antonyms might include phrases like "stripped bare," "unfurnished," or "spartan," which imply an intentional avoidance of decoration or ornamentation in favor of simplicity or minimalism. Overall, antonyms for "re-decorated" center on ideas of continuity, minimalism, and lack of effort or intention.