The phrase "one the same" implies similarity, consistency, and uniformity. Its antonyms, however, convey distinctiveness, variation, and individuality. A few examples of antonyms for "one the same" include heterogeneous, diverse, disparate, dissimilar, variant, and assorted. These words suggest that there are differences or contrasts between two or more entities or things. They imply that each has its unique characteristics or qualities that set it apart from others. While the concept of "one the same" is useful in certain contexts, using its antonyms can add depth and nuance to language, allowing for more precise verbal communication.