The word "most redesigned" can be described as something that has undergone significant changes or modifications. However, its antonyms refer to things that have remained the same, stagnant, or unaltered. These antonyms include "unchanged," "static," "unaltered," "constant," "unchanging," "fixed," and "steady." When used in a sentence, the opposite of "most redesigned" could be "The antique sofa remains unchanged after many years," "The sales figures have remained constant even with new marketing strategies," or "The weather forecast calls for steady temperatures this week." In essence, antonyms for "most redesigned" reflect a lack of change or evolution.