Uniformal is an adjective that is mainly used to describe something that is characterized by uniformity, or sameness in appearance, design, or style. Some of the antonyms for uniformal include diverse, different, varied, dissimilar, contrasting, and distinct. These words all convey the idea of a lack of uniformity or homogeneity, suggesting instead a range of differences or contrasts. For instance, when referring to a group of people, one might say that they are diverse, highlighting their differences in terms of ethnicity, age, gender, and background. By contrast, uniformal suggests a group of people who are all the same in some way.