"Un-variednesses" refer to the lack of diversity or variety. Finding appropriate synonyms for this word may be challenging, but some possible options include uniformity, monotony, predictability, sameness, regularity, consistency, and homogeneity. These terms signify a consistent and uniform nature devoid of diversity, change, or differences. Other possible synonyms for "un-variednesses" include similarity, conformity, and repetition, which suggest a degree of repetition or similarity with respect to objects or situations. Using appropriate synonyms for "un-variednesses" can help us convey our ideas and thoughts more effectively in writing and speaking.